FocusBlu and Troscriptions Just Blue both use USP grade methylene blue and both report third-party testing. The real differences are format, how you buy, and how you see the lab report. FocusBlu is a 1% liquid sold direct, with its Certificate of Analysis (COA) posted on the product page. Just Blue is a 16 mg troche now sold only through healthcare practitioners, with the COA sent on request. A FocusBlu bottle holds 300 mg of methylene blue, and a Just Blue pack holds 64 mg.
Side by side
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FocusBlu Methylene Blue 1% Drops |
Troscriptions Just Blue |
|
|---|---|---|
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Format |
Liquid drops in a 1 fl oz (30 mL) dropper bottle |
Scored PEG-based troche that dissolves between the gum and cheek, or can be swallowed |
|
Mouth and teeth staining |
May temporarily tint the tongue or urine blue |
Dissolving it in the mouth stains the mouth and teeth blue for about 2 to 24 hours |
|
Methylene blue per serving |
10 mg per 1 mL dropper |
16 mg per troche |
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Servings per package |
30 |
4 troches, listed as up to 16 doses |
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Methylene blue per package |
300 mg (30 servings of 10 mg) |
64 mg (4 troches of 16 mg) |
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Grade |
USP Grade |
USP grade, pharmaceutical grade |
|
Testing |
Third-party tested for every small batch |
Third-party lab tested, with ingredient batches tested twice |
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How you see the COA |
Posted on the product page for methylene blue, glycerin, and water |
Sent after a request form or email |
|
Ingredients |
Five, all listed: methylene blue (USP), purified water (USP), glycerin (USP, kosher, halal), liposomal vitamin C, stevia |
16 mg USP methylene blue per troche. Inactive ingredients: polyethylene glycol (PEG), silica, Bitter-Bloc, monk fruit, stevia, and peppermint. No nicotine or caffeine |
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Where it is made |
Formulated and manufactured in small batches in Frisco, Texas |
Troscriptions states: made in the USA in FDA-registered, GMP-compliant facilities under licensed pharmacist supervision. No facility or location is named on the pages reviewed |
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How to buy |
Direct at focusblu.net with no practitioner required. US and international shipping |
Only through healthcare practitioners, with no direct consumer checkout. Orders are fulfilled within the U.S. only |
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List price |
$69.99 per bottle |
$27.00 per 4 troche pack |
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Cost per mg of methylene blue |
About $0.23 at list price |
About $0.42 at list price |
|
Guarantee |
30-day first purchase guarantee |
30-day refund on purchases from Troscriptions.com |
Purity and testing
Both brands state USP grade, so neither site supports calling the other impure. The difference is how much you can check before you buy.
FocusBlu posts its current COAs on the product page, including separate certificates for the glycerin and the water. It states that each batch is third-party tested and verified free of heavy metals. Every ingredient appears on a Supplement Facts panel, including 120 mg of liposomal vitamin C per serving.
Troscriptions says each ingredient arrives with its own COA and is then sent to an independent lab for confirmation before formulation. It states that its products are made in the USA in FDA-registered, GMP-compliant facilities under licensed pharmacist supervision, and the pages we reviewed do not name the facility. To read the Just Blue COA, you submit a request form or email the company.
Ingredients and formula
FocusBlu lists five ingredients: USP methylene blue, USP purified water, USP glycerin, liposomal vitamin C, and stevia. Just Blue is a different kind of product. Each troche contains 16 mg of USP methylene blue in a base of polyethylene glycol (PEG), silica, Bitter-Bloc, monk fruit, stevia, and peppermint. Troscriptions says the PEG suspends the active ingredient in the troche for slow release, is used at under 500 mg per troche, and is not absorbed.
Just Blue contains no nicotine or caffeine. Troscriptions sells a separate product, Blue Cannatine, that combines 5 mg of methylene blue with nicotine, caffeine, and hemp crystals. The two formulas should not be confused.
Format and dosing
FocusBlu is a liquid, so the dose is adjustable drop by drop. Its suggested use starts at 5 drops daily, moves to 10 in week two, and settles at 20 drops in weeks three and four. The routine is five days on and two days off, taken in water, juice, coffee, or tea.
Just Blue delivers 16 mg in one troche. The troche is scored so it can be split into smaller doses. It is placed between the gum and upper cheek to dissolve, or it can be swallowed on an empty stomach. Troscriptions notes that a troche dissolved in the mouth temporarily stains the mouth and teeth blue, lasting 2 to 24 hours. FocusBlu notes that methylene blue may temporarily tint urine or the tongue.
Access and cost
The Troscriptions site states that its products are now available exclusively through healthcare practitioners and points shoppers to a practitioner map. That makes the choice one between buying direct and buying through a practitioner, as well as between a liquid and a troche. FocusBlu ships direct, with no practitioner relationship required. Orders placed by 3 PM Central on weekdays ship the same day and typically arrive in 3 to 5 business days in the US.
On list prices, a FocusBlu bottle holds 300 mg of methylene blue (30 servings of 10 mg) for $69.99, about $0.23 per mg. A Just Blue pack holds 64 mg (4 troches of 16 mg) for $27.00, about $0.42 per mg. Practitioner pricing for Just Blue may differ.
Company and manufacturing details
FocusBlu names where its drops are formulated and manufactured: Frisco, Texas. Troscriptions states that its products are made in the USA in FDA-registered, GMP-compliant facilities under licensed pharmacist supervision. The pages we reviewed do not identify the manufacturer or the facility's location.
The Troscriptions terms of service name Troscriptions LLC as the site's owner and operator, and the site footer lists Dover, Delaware. That is a company address, which is separate from where the product is made or shipped from. The terms refer to a U.S. warehouse without giving its location, and the shipping policy says orders are currently fulfilled within the U.S. only. The terms also require site visitors to be 21 or older. Both brands run their stores on Shopify.
Which one fits you
- Choose FocusBlu if you want to buy direct, read the COA before you order, adjust your dose by the drop, and pay less per mg.
- Choose Just Blue if you already work with a practitioner and want a physician-formulated, pre-measured troche with no liquid to carry.
Frequently asked questions
Is FocusBlu purer than Troscriptions Just Blue?
Both brands state USP grade methylene blue. FocusBlu's edge is verification: its COAs are public on the product page, while Troscriptions sends its COA on request.
Can I order Just Blue online without a practitioner?
The Troscriptions site says its products are available exclusively through healthcare practitioners.
How much methylene blue is in each?
FocusBlu provides 10 mg per 1 mL dropper. Just Blue provides 16 mg per troche. Per package, that is 300 mg for FocusBlu and 64 mg for Just Blue.
Which is easier to take?
FocusBlu mixes into a drink. Just Blue dissolves in the mouth and needs no liquid.
Does Just Blue contain nicotine or caffeine?
No. Just Blue contains methylene blue without nicotine or caffeine. Troscriptions also sells Blue Cannatine, a separate product that combines methylene blue with nicotine, caffeine, and hemp crystals.
What are the inactive ingredients in Just Blue?
Troscriptions lists polyethylene glycol (PEG), silica, Bitter-Bloc, monk fruit, stevia, and peppermint. FocusBlu's other ingredients are purified water, glycerin, liposomal vitamin C, and stevia.
Safety
Both brands warn against use during pregnancy or nursing, with G6PD deficiency, or alongside serotonergic medications such as SSRIs, SNRIs, and MAOIs. Talk to your physician before using methylene blue. These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
Sources
Details and prices were checked on October 8, 2026 against each brand's own pages. Where a claim could not be independently confirmed, it is described as company-stated.
- FocusBlu Methylene Blue 1% Drops product page
- FocusBlu home page
- Troscriptions Just Blue product page
- Troscriptions formulation process
- Troscriptions FAQ
- Troscriptions Just Blue ingredients and use page
- Troscriptions terms of service
- Troscriptions shipping policy
- Troscriptions Just Blue quick-start page
