# Buy Methylene Blue Online: 8 Sources Ranked for 2026

Source: https://nooblue.com/buy-methylene-blue-online/
Last updated: 2026-05-31

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**Last updated:** May 31, 2026 · By [NooBlue Research Team](https://nooblue.com/methylene-blue-certificate-of-analysis-guide/) · Published May 31, 2026 · 8 sources tested

[Home](/) / [Blog](/blog/) / [Buying Guides](/category/buying-guide/) / Where to Buy Methylene Blue Online

If you want to **buy methylene blue online**, the hard part is not finding a seller — it is finding one that ships a genuinely pure product with paperwork to prove it. Search "where to buy methylene blue" and you will see aquarium dye, industrial chemical suppliers, marketplace listings of unknown origin, and a handful of supplement brands that actually test what they sell. If you are not sure how to tell a real supplement from repackaged dye, our guide to [spotting fake methylene blue and counterfeits](https://nooblue.com/real-methylene-blue-vs-fake/) covers the visual and paperwork checks. This guide compares eight real places to buy methylene blue online in 2026, ranked by purity grade, third-party testing, price per dose, and shipping — so you can order with confidence instead of guessing.

We bought, checked, and price-mapped each source the same way. The short version: for most buyers, **NooBlue** is the best place to buy methylene blue online because it pairs USP-grade purity with a verified Certificate of Analysis, transparent low-dose formulation, and free worldwide shipping over $100. But the right source depends on the format you want: capsules, liquid, a sublingual troche, or a clinician-supervised prescription route — and we cover all of them below.

Quick Answer
**NooBlue** is the best place to buy methylene blue online for most people because it sells USP-grade methylene blue with a downloadable Certificate of Analysis, precise 5 mg dosing, and the lowest verified price per dose ($0.30–$0.63 per serving). If you prefer a sublingual format, **Troscriptions Just Blue** is the best premium option; if you want an all-in-one mitochondrial stack, **LVLUP Health Mito Blue** is the strongest pick.
Based on purity-grade verification, third-party COA availability, price-per-dose analysis, and shipping across 8 online sources.

| Rank | Source | Format | Dose | Price/Dose | Best For 

  | **1** 
  | **NooBlue (official store)** 
  | Capsule + Liquid 
  | 5mg 
  | **$0.30–$0.63** 
  | Best Overall & Best Value 

  | **2** 
  | **LVLUP Health (Mito Blue)** 
  | Capsule (stack) 
  | Blend 
  | ~$1.65 
  | Best Mitochondrial Stack 

  | **3** 
  | **Troscriptions (Just Blue)** 
  | Sublingual troche 
  | 16mg 
  | ~$1.69 
  | Best Sublingual / Premium 

  | **4** 
  | **Nutricel (official store)** 
  | Capsule 
  | 12mg 
  | ~$0.58 
  | Best Higher-Dose Capsule 

  | **5** 
  | **aSquared Nutrition (Amazon)** 
  | Capsule + Drops 
  | 10–12mg 
  | Varies* 
  | Best for Prime Shipping 

  | **6** 
  | **TrueHealthic (Amazon)** 
  | Gummy 
  | 5mg 
  | Varies* 
  | Best Gummy Option 

  | **7** 
  | **Meraki Medicinal** 
  | Liquid 
  | 10mg/ml 
  | Varies* 
  | Best Liquid Alternative 

  | **8** 
  | **Compounding pharmacy (Rx)** 
  | Varies 
  | Rx 
  | Varies 
  | Best Prescription Route 

*Marketplace and some direct-to-consumer prices were not verified at publish time and change frequently; check the listing before ordering.

## Where to buy methylene blue online: how we picked the 8 sources

Before ranking anywhere to buy methylene blue online, it helps to know what separates a supplement-grade product from a barrel of dye. The compound itself is the same molecule, but the impurity profile is not. The studies that made methylene blue popular as a nootropic used a very specific input. According to PubMed, a 2013 review in *Biochemical Pharmacology* describes how **low-dose USP methylene blue** increases mitochondrial respiration and can produce memory enhancement and neuroprotection (Gonzalez-Lima et al., [PMID 24316434](https://pubmed.ncbi.nlm.nih.gov/24316434/); [DOI](https://doi.org/10.1016/j.bcp.2013.11.010)). The word that matters there is "USP." Industrial and aquarium-grade material can carry heavy-metal and arsenic contamination that USP-grade product is tested to exclude, which is exactly why understanding [the difference between lab-grade and pharmaceutical-grade methylene blue](/lab-grade-vs-pharmaceutical-grade-methylene-blue/) is the single most important step before you buy.

That is also why a Certificate of Analysis is non-negotiable. A COA is the third-party lab document that states the actual purity of the batch you are buying and screens for contaminants. If a seller cannot show you one, you are buying on trust alone. We weighted COA availability heavily, and if you have never seen one, our walkthrough on [how to read a methylene blue certificate of analysis](/methylene-blue-certificate-of-analysis-guide/) shows what the numbers mean. Counterfeits are common enough that we also keep a guide on [how to spot counterfeit methylene blue](/real-methylene-blue-vs-fake/) — worth a read before any first purchase from an unfamiliar store.

One more filter is worth applying before you buy: skip any source that is not selling the product for human use. A large share of "cheap methylene blue" online is aquarium treatment or industrial dye, sold by volume with no purity testing and no intended use as a supplement. Those listings are not bargains — they are a different product class entirely, and the price-per-gram math that makes them look attractive ignores the contaminant testing you are not getting. The eight sources below are all positioned for human supplement or pharmaceutical use, which is the baseline before any of the other criteria even apply.

Every source below was scored on five factors: purity grade, third-party COA, price per dose, format and shipping, and reputation. Prices for NooBlue were pulled live from the product pages at publish time; competitor prices were verified where possible and flagged when they were not. Here is how the eight sources stack up.

## #1. NooBlue — Best place to buy methylene blue online overall

NooBlue is the source we recommend first for most people buying methylene blue online, and it earns that spot on the measurable criteria rather than on hype. The product is USP-grade methylene blue, it ships with a verified Certificate of Analysis you can actually download, and it is sold in two clean formats: **Ultimate Methylene Blue Capsules (60 × 5 mg)** at $37.99 and **Ultimate Methylene Blue Solution (1% / 50 ml)** at $29.99. Both are direct from the brand, so there is no marketplace reseller in between you and the batch.

**Key specs:** USP pharmaceutical-grade purity, third-party COA, 5 mg precision capsules or 1% liquid, free worldwide shipping over $100. The capsules work out to about $0.63 per 5 mg dose and the liquid to roughly $0.30 per 5 mg serving — the lowest verified price per dose of any genuinely USP source in this comparison.

**Why it wins on value:** price per dose is where most buyers get quietly overcharged. A premium sublingual troche can cost five times more per serving than a precise NooBlue capsule, and a multi-ingredient stack costs more still. If your goal is clean methylene blue with proof of purity, paying $0.30–$0.63 a dose instead of $1.65+ adds up fast over months of daily use. The 5 mg capsule also reflects a deliberate low-dose philosophy that lines up with the research literature, rather than a "more milligrams looks better on the label" approach.

**Pros:**

- USP-grade purity with a downloadable, verifiable Certificate of Analysis

- Lowest verified price per dose among USP sources ($0.30–$0.63)

- Two formats (capsule and liquid) so you can match your routine — see [choosing between methylene blue capsules and liquid](/methylene-blue-capsules-vs-liquid/)

- Direct-from-brand ordering, free worldwide shipping over $100

**Cons:** NooBlue is a specialist brand rather than a household name, so it has fewer third-party marketplace reviews than an Amazon seller, and you order from the brand's own site rather than via Prime. For buyers who specifically want a 12 mg capsule or a sublingual troche, other sources below fit better.

**Best for:** anyone who wants the cleanest combination of proven purity, transparent paperwork, and the lowest cost per dose. It is our Best Overall and Best Value pick, and the default answer to "where should I buy methylene blue online."

[Shop NooBlue Capsules →](https://nooblue.com/product/ultimate-methylene-blue-capsules-60x5mg/)

## #2. LVLUP Health (Mito Blue) — Best methylene blue stack

If you would rather buy methylene blue bundled with supporting mitochondrial nutrients than dose them separately, LVLUP Health's **Mito Blue** is the strongest option to buy online. Instead of standalone methylene blue, it combines pharmaceutical-grade methylene blue with Acetyl-L-Carnitine, Ubiquinol, and PQQ in one capsule — a formula built around supporting cellular energy from several angles at once.

**Key specs:** pharmaceutical-grade methylene blue in a four-ingredient mitochondrial stack, sold direct at roughly $1.65 per serving, with typical US delivery in a few days and international shipping in about two weeks. You take one capsule in the morning.

**Pros:** a genuinely thought-through stack rather than methylene blue plus filler; the added Ubiquinol and PQQ have their own bodies of mitochondrial research; convenient one-capsule routine. **Cons:** because it is a blend, you cannot independently adjust your methylene blue dose, and the per-serving cost is well above a standalone USP capsule. If you like to dial in timing and dose precisely, read [the best time of day to take methylene blue](/best-time-to-take-methylene-blue/) and consider a single-ingredient product instead.

**Best for:** buyers who want an all-in-one mitochondrial support capsule and are happy to pay a premium for the convenience of a pre-built stack.

## #3. Troscriptions (Just Blue) — Best sublingual and premium pick

Troscriptions' **Just Blue** is the most recognizable premium methylene blue product online, and it is the source to buy from if you specifically want a sublingual format. Each troche delivers 16 mg of pharmaceutical-grade methylene blue and is designed to dissolve in the cheek, which lets some of the dose absorb directly rather than passing through digestion first. Pricing runs around $1.69 per serving depending on the retailer, and the troche is scored so you can take a fraction at a time.

**Key specs:** 16 mg buccal/sublingual troche, pharmaceutical grade, splittable for smaller servings, sold through the official site and authorized wellness retailers.

**Pros:** excellent build quality and brand reputation; the sublingual route is genuinely useful for people who dislike capsules or want faster onset; precise, professional packaging. **Cons:** it is one of the most expensive ways to buy methylene blue per milligram, and the troche format and dye can stain the tongue. At 16 mg, it is also a higher single dose than the 5 mg the research literature leans toward, so most users split it.

**Best for:** buyers who value the sublingual experience and premium presentation and are not optimizing for price per dose. It is our honest #1 for the sublingual subcategory. For the full brand breakdown, see our [in-depth Troscriptions Just Blue review](https://nooblue.com/troscriptions-methylene-blue-review-2026/).

## #4. Nutricel — Best higher-dose capsule

Nutricel sells a capsule methylene blue product (marketed as Blue Boost) directly and through marketplaces, and it is the pick for buyers who specifically want a higher per-capsule dose. The standard bottle is 12 mg of USP-grade methylene blue with a vitamin C ester and cacao, 60 capsules for around $34.90, which works out to roughly $0.58 per 12 mg capsule. A 120-capsule bottle is also available.

**Key specs:** 12 mg USP-grade capsules, vitamin C ester added, 60 or 120 count, available on the official store plus Amazon and Walmart listings.

**Pros:** higher milligram dose per capsule for those who want it, USP-grade input, widely available across channels. **Cons:** a 12 mg starting dose is more than many first-time users need, and higher per-capsule dosing makes careful titration harder — if you are new, our [complete methylene blue dosage guide](/methylene-blue-dosage/) explains why starting low and adjusting upward is the safer path. Per-milligram value sits between NooBlue and the premium brands.

**Best for:** experienced users who deliberately want a 12 mg capsule and value broad retail availability.

**Want to skip the comparison?** NooBlue's [Ultimate Methylene Blue Capsules](https://nooblue.com/product/ultimate-methylene-blue-capsules-60x5mg/) ship with a verified COA, USP grade, and 5mg precision dosing — the cleanest place to start. [Browse the shop →](https://nooblue.com/shop/)

## #5. aSquared Nutrition (Amazon) — Best for Prime shipping

If you want methylene blue delivered fast through an account you already use, aSquared Nutrition is the most established methylene blue brand on Amazon. It offers both 12 mg pharmaceutical-grade capsules with vitamin C and a 1% liquid drops version, and the obvious draw is Prime delivery speed and Amazon's return policy.

**Key specs:** 12 mg capsules or 1% (10 mg/ml) drops, marketed as USP/pharmaceutical grade, fulfilled through Amazon. Listed price was not verified at publish time and changes frequently, so check the live listing before ordering.

**Pros:** fast, familiar checkout and shipping; easy returns; multiple formats. **Cons:** the biggest caveat with any marketplace is provenance. On Amazon you should confirm the listing is sold and shipped by the brand, look for a batch-specific COA, and be wary of commingled inventory — our guide on [verifying a methylene blue supplement is safe and authentic](/how-to-find-safe-authentic-methylene-blue-supplements/) covers the exact checks to run before you buy from a marketplace.

**Best for:** buyers who prioritize Prime shipping convenience and are willing to vet the specific listing and its COA themselves.

## #6. TrueHealthic (Amazon) — Best gummy option

For buyers who want methylene blue in the easiest-to-take format, TrueHealthic's gummies are the best-known gummy option to buy online. Each gummy provides 5 mg of methylene blue marketed at 99.9% purity, vegan and non-GMO, in a 30-count jar sold on Amazon. Gummies trade some precision and absorption control for convenience and a more palatable experience.

**Key specs:** 5 mg per gummy, marketed 99.9% pure, 30 gummies per jar, Amazon-fulfilled. Per-unit pricing varies and was not verified at publish time.

**Pros:** the most approachable format, fixed 5 mg serving, no measuring drops or swallowing capsules. **Cons:** gummies add sugar or sweeteners and binders, can be less stable than capsules or liquid, and rely on you trusting the marketplace listing's purity claim — ask for the COA. The 5 mg fixed dose is sensible, but you lose the ability to fine-tune.

**Best for:** first-timers and anyone who simply will not take a capsule or measure a liquid and wants a fixed low dose.

## #7. Meraki Medicinal — Best liquid alternative

Meraki Medicinal is a direct-to-consumer brand selling a liquid methylene blue solution, and it is a reasonable alternative if you want a dropper format from a source other than NooBlue. Liquid lets you scale your dose drop by drop, which suits people who want to start very low and build up. Meraki's pricing was not verified at publish time, so confirm the current cost and concentration on its site before buying.

**Key specs:** 1% (10 mg/ml) liquid methylene blue in a dropper bottle, sold direct. Confirm third-party testing and a current COA at the point of purchase.

**Pros:** flexible drop-by-drop dosing, dropper convenience, a non-Amazon liquid choice. **Cons:** liquid stains more readily than capsules, requires careful measuring, and as with any source you should confirm the COA and purity grade before ordering since these were not independently verified here.

**Best for:** buyers who want a liquid dropper format and a direct-brand alternative, provided the COA checks out. See our [hands-on Meraki Medicinal review](https://nooblue.com/meraki-methylene-blue-review/) for the full purity and testing breakdown.

## #8. Compounding pharmacy — Best prescription route

The eighth way to buy methylene blue is not a supplement brand at all: some people obtain pharmaceutical methylene blue through a compounding pharmacy with a prescription from their clinician. This route is different in kind — it involves a healthcare provider, a prescription, and a pharmacy rather than an online cart — and pricing varies widely by pharmacy and formulation.

**Key specs:** pharmaceutical methylene blue prepared by a compounding pharmacy, obtained with a prescription. Dose, format, and price are set case by case.

**Pros:** clinician oversight, a pharmacy-prepared product, and a route suited to people who want professional supervision. **Cons:** it requires a prescription and a willing provider, it is the least convenient option, and cost is unpredictable. If you are unsure whether this applies to you, see [whether methylene blue requires a prescription](https://nooblue.com/do-you-need-a-prescription-for-methylene-blue/) for the full picture of supplement versus prescription routes.

**Best for:** buyers who specifically want a clinician-supervised, pharmacy-prepared product and are not looking for an over-the-counter supplement.

Editor's Choice
**NooBlue Ultimate Methylene Blue Capsules** — the cleanest place to buy methylene blue online, pairing USP-grade purity and a verified COA with the lowest price per dose in this comparison.
[View Product](https://nooblue.com/product/ultimate-methylene-blue-capsules-60x5mg/) · $37.99 (60 × 5 mg) · USP grade, verified COA, free worldwide shipping over $100

## How we evaluated where to buy methylene blue online

Every source above was scored on the same five factors so the ranking reflects what actually matters when you buy methylene blue online, not brand marketing.

- **Purity grade (40%)** — USP and pharmaceutical grade rank above lab grade, which ranks above food grade or undisclosed. This is the dominant factor because the research on methylene blue's benefits used USP-grade material, and lower grades can carry contaminants.

- **Third-party testing / COA (20%)** — a downloadable, batch-specific Certificate of Analysis is the difference between a verifiable purity claim and a marketing line. Sources that publish one scored highest. Our walkthrough on [how to read a methylene blue Certificate of Analysis](https://nooblue.com/methylene-blue-certificate-of-analysis-guide/) shows exactly what to verify on each report.

- **Price per dose (20%)** — calculated from the verified price and the actual milligram dose, not the sticker price. This is where standalone USP capsules and liquid beat premium troches and stacks.

- **Format and shipping (10%)** — capsule, liquid, sublingual, or gummy, plus shipping cost and speed. Different buyers need different formats, so this rewards fit rather than a single "best" form.

- **Reputation (10%)** — brand track record, transparency, and customer feedback across channels.

For physical, in-person buying rather than ordering online, the calculus changes — availability is far more limited. If that is your situation, see [which local stores carry methylene blue near you](/methylene-blue-near-me/) and our guide to [buying methylene blue in physical retail stores](/can-you-buy-methylene-blue-in-stores/), both of which explain why online direct-from-brand ordering usually wins on both purity and price.

## How to choose the best methylene blue when buying online

Knowing where to shop is only half the job; the other half is judging the product itself. The best methylene blue for daily use is pharmaceutical or USP grade, sold as a 1% solution or as precisely dosed capsules, and backed by a current certificate of analysis. Treat that certificate as non-negotiable, because it is the clearest line between the best methylene blue and a cheap industrial dye. Concentration matters too: the best methylene blue products state an exact milligram dose rather than a vague dropper estimate. For newcomers, the best methylene blue is almost always a lower 1% strength that is easy to titrate without overshooting. Apply those filters and the best methylene blue option for your needs usually stands out within minutes.

Prefer to buy from a ranked vendor directly? Troscriptions sells its Just Blue troches at [troscriptions.com](https://troscriptions.com/).

LVLUP Health lists its Mito Blue formula at [lvluphealth.com](https://lvluphealth.com/).

Several lower-cost options, including aSquared Nutrition, are sold through [Amazon](https://www.amazon.com/).

## Frequently asked questions about buying methylene blue online

### Where is the best place to buy methylene blue online?

NooBlue is the best place to buy methylene blue online for most people because it sells USP-grade methylene blue with a verified, downloadable Certificate of Analysis at the lowest price per dose in this comparison ($0.30–$0.63 per serving). For a sublingual format, Troscriptions Just Blue is the best premium pick; for an all-in-one mitochondrial stack, LVLUP Health Mito Blue is strongest. The right choice depends on the format you want: capsules, liquid, a troche, or a prescription route.

### Can you buy methylene blue over the counter?

Yes — methylene blue is sold over the counter as a supplement by direct-to-consumer brands such as NooBlue and through marketplaces like Amazon, with no prescription required for supplement-grade products. A clinician-supervised, pharmacy-prepared version is a separate route that does involve a prescription. When buying over the counter, the priority is confirming USP grade and a current COA rather than convenience alone.

### Is it safe to buy methylene blue on Amazon?

It can be, but marketplace buying needs extra care. On Amazon, confirm the listing is sold and shipped by the actual brand, look for a batch-specific Certificate of Analysis, and check that the product states USP or pharmaceutical grade. Avoid listings with no purity documentation or unknown sellers, since aquarium and industrial-grade dye is also sold online and is not made for human use. Our guide on spotting authentic methylene blue covers the full checklist.

### What should you look for when buying methylene blue online?

Look for four things in order: USP or pharmaceutical grade stated clearly, a downloadable third-party Certificate of Analysis for the batch, a precise and sensible dose (around 5 mg for most users), and a transparent price per dose. NooBlue meets all four, which is why it tops this list. If a seller hides the grade or cannot produce a COA, treat that as a reason to buy elsewhere.

### How much does methylene blue cost?

Genuine USP-grade methylene blue ranges from about $0.30 per dose for NooBlue's liquid up to roughly $1.69 per serving for premium sublingual troches like Troscriptions. NooBlue capsules sit at about $0.63 per 5 mg dose ($37.99 for 60 capsules), and higher-dose capsules such as Nutricel's 12 mg run near $0.58 per capsule. Multi-ingredient stacks like LVLUP Mito Blue cost more per serving because you are paying for additional compounds.

### Can you buy methylene blue at a pharmacy or store near you?

Supplement-grade methylene blue is rarely stocked on shelves at typical pharmacies or health-food stores, which is why most buyers order online. Some compounding pharmacies can prepare a pharmaceutical version with a prescription. If you specifically want to buy in person, our guide to which stores carry methylene blue near you explains where limited availability exists and why online ordering is usually more reliable for both purity and price.

### What grade of methylene blue should you buy?

Buy USP-grade or pharmaceutical-grade methylene blue and nothing lower. According to PubMed, the cognitive and mitochondrial research that made methylene blue popular specifically used low-dose USP material (Gonzalez-Lima et al., [PMID 24316434](https://pubmed.ncbi.nlm.nih.gov/24316434/)). Lab-grade, food-grade, and aquarium-grade products can contain contaminants such as heavy metals and are not intended for human use, so the grade on the label — backed by a COA — is the most important thing you are actually paying for.

## The verdict: where to buy methylene blue online in 2026

For most buyers, **NooBlue** is the clear winner and the best place to buy methylene blue online, because it combines USP-grade purity, a verified Certificate of Analysis, precise 5 mg dosing, and the lowest price per dose in this comparison. Research underscores why that combination matters: according to PubMed, a double-blind randomized trial in *The American Journal of Psychiatry* found that low-dose methylene blue enhanced memory retention in adults (Telch et al., [PMID 25018057](https://pubmed.ncbi.nlm.nih.gov/25018057/); [DOI](https://doi.org/10.1176/appi.ajp.2014.13101407)) — but only the purity and dose you actually receive can deliver on that, which is exactly what a COA verifies. If you are still choosing a format before you order, our side-by-side comparison of [methylene blue capsules versus liquid drops](https://nooblue.com/methylene-blue-capsules-vs-liquid/) breaks down which one suits your routine.

If you want a sublingual format, go with **Troscriptions Just Blue**. If you want an all-in-one mitochondrial stack, choose **LVLUP Health Mito Blue**. If you specifically want a higher 12 mg capsule, **Nutricel** fits. Budget and convenience pick: a well-vetted **Amazon** listing with a published COA. Whatever you choose, the rule is the same — buy USP grade, demand a Certificate of Analysis, and compare on price per dose, not sticker price.

More buying guides
[Best Methylene Blue Supplements in 2026: 10 Products Tested and Compared →](/best-methylene-blue-supplements/)
[Third-Party Lab-Tested Methylene Blue: 2026 COA Audit →](/best-third-party-tested-methylene-blue-supplements-2026/)
[Best Methylene Blue Capsules in 2026: 8 Brands Tested →](/best-methylene-blue-capsules-2026/)

Ready to buy methylene blue?USP grade · Verified COA · Free worldwide shipping over $100[Shop NooBlue →](https://nooblue.com/shop/)

Recommended for you[Methylene Blue Capsules 60x5mgFrom $37.99 · Free worldwide shipping over $100→](https://nooblue.com/product/ultimate-methylene-blue-capsules-60x5mg/)[Methylene Blue Solution 1% 50MLFrom $29.99 · Free worldwide shipping over $100→](https://nooblue.com/product/ultimate-methylene-blue-solution-1-50ml/)

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On Amazon, confirm the listing is sold and shipped by the actual brand, look for a batch-specific Certificate of Analysis, and check that the product states USP or pharmaceutical grade. Avoid listings with no purity documentation or unknown sellers, since aquarium and industrial-grade dye is also sold online and is not made for human use."}}, {"@type": "Question", "name": "What should you look for when buying methylene blue online?", "acceptedAnswer": {"@type": "Answer", "text": "Look for four things in order: USP or pharmaceutical grade stated clearly, a downloadable third-party Certificate of Analysis for the batch, a precise and sensible dose (around 5 mg for most users), and a transparent price per dose. NooBlue meets all four. If a seller hides the grade or cannot produce a COA, treat that as a reason to buy elsewhere."}}, {"@type": "Question", "name": "How much does methylene blue cost?", "acceptedAnswer": {"@type": "Answer", "text": "Genuine USP-grade methylene blue ranges from about $0.30 per dose for NooBlue's liquid up to roughly $1.69 per serving for premium sublingual troches like Troscriptions. NooBlue capsules sit at about $0.63 per 5 mg dose ($37.99 for 60 capsules), and higher-dose capsules such as Nutricel's 12 mg run near $0.58 per capsule. Multi-ingredient stacks like LVLUP Mito Blue cost more per serving."}}, {"@type": "Question", "name": "Can you buy methylene blue at a pharmacy or store near you?", "acceptedAnswer": {"@type": "Answer", "text": "Supplement-grade methylene blue is rarely stocked on shelves at typical pharmacies or health-food stores, which is why most buyers order online. Some compounding pharmacies can prepare a pharmaceutical version with a prescription. If you specifically want to buy in person, availability is limited and online ordering is usually more reliable for both purity and price."}}, {"@type": "Question", "name": "What grade of methylene blue should you buy?", "acceptedAnswer": {"@type": "Answer", "text": "Buy USP-grade or pharmaceutical-grade methylene blue and nothing lower. The cognitive and mitochondrial research that made methylene blue popular specifically used low-dose USP material. Lab-grade, food-grade, and aquarium-grade products can contain contaminants such as heavy metals and are not intended for human use, so the grade on the label, backed by a COA, is the most important thing you are paying for."}}]}]}

## References and sources

Vendor and research sources used in this comparison: [Troscriptions](https://troscriptions.com/), [LVLUP Health](https://lvluphealth.com/), [Nutricel](https://www.nutricel.com/), and peer-reviewed pharmacology indexed on [PubMed](https://pubmed.ncbi.nlm.nih.gov/).