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Methylene Blue, 1% USP (Pharmaceutical) Grade, 50 mL (1.69 fl oz) Glass; 3rd Party Tested

Methylene Blue, 1% USP (Pharmaceutical) Grade, 50 mL (1.69 fl oz) Glass; 3rd Party Tested

Q: Is this the same as prussian blue? is it food grade?

This is not Prussian blue. Despite both being able to function as potent blue dyes, methylene blue and Prussian blue are not chemically similar to each other. This methylene blue is United States Pharmacopeia (USP) grade, which is generally accepted for food, drug, and medicinal use.

Q: What is the shelf life of this?

This product is assigned a shelf life of two years from the date of manufacture.

Q: Can someone help me with the math? Does this mean that you only get 5/100 ml servings per bottle? If so, this is ridiculously expensive.

Wayne's response isn't quite right. There are 1000 drops in a 50 mL bottle. Each drop is 0.5 mg of active ingredient (or 2 drops per mg, which Wayne got correct) or a total of 500 mg of active ingredient in each 50 mL bottle.

Q: Is the certificate of analysis available by batch ?; the one on the listing does not even have a date and the web site does not show any certificates

There is a product number, a lot number, and an expiration date printed on the label.

Product ID: 724829650

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Details

Item Weight
3 Ounces
Product Grade
USP
Molecular weight
319
Molecular formula
C16H18ClN3S
Item Volume
50 Milliliters

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Description

Specifications

Package Information	Bottle
Item Form	Liquid
Manufacturer	Biopharm Inc
UPC	300384510769
Part Number	BM8341FG
Item Weight	3 ounces
Package Dimensions	5.71 x 3.11 x 1.85 inches
Item model number	BM8341FG
Size	50 mL
Style	1 Pack
Included Components	Methylene Blue 50 mL
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Is this the same as prussian blue? is it food grade?

What is the shelf life of this?

Can someone help me with the math? Does this mean that you only get 5/100 ml servings per bottle? If so, this is ridiculously expensive.

Is the certificate of analysis available by batch ?; the one on the listing does not even have a date and the web site does not show any certificates

Reviews

見**茂

頭脳明晰

効果がでてきました。良い商品です。これからもリピします。

13.09.2025

K**N

do this

i mix it with vitamin C to reduce the risk of turning everything, including your tounge and teeth, blue.

28.07.2025

C**H

Blue Da Ba De....

This was made in Hatfield, Arkansas, which in itself scared me. It didn't do anything for me. I talked to five of my doctor friends, and they all told me to stop using it. Helps my plants though.

8.07.2025

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