
Hero image 0 of Methylene Blue 1% Compass Laboratory | USP-Grade Methylthioninium Chloride Liquid | High Purity Dietary Supplement for Brain Function & Cognitive Health | No Formaldehyde 237ml Glass Bottle, 0 of 11
Methylene Blue 1% Compass Laboratory | USP-Grade Methylthioninium Chloride Liquid | High Purity Dietary Supplement for Brain Function & Cognitive Health | No Formaldehyde 237ml Glass Bottle
Methylene Blue 1% Compass Laboratory | USP-Grade Methylthioninium Chloride Liquid | High Purity Dietary Supplement for Brain Function & Cognitive Health | No Formaldehyde 237ml Glass BottleMethylene Blue 1 Compass Laboratory USP Grade Methylthioninium Chloride Liquid High Purity Dietary Supplement Brain Function Cognitive Health FormaldCompass Laboratory Methylene Blue 1 USP Grade Third Party Tested Brain Health Dietary Supplement 50ml Glass Dropper Bottle No Formaldehyde
Size:237 mL
Current price is USD$147.33
Price when purchased online
- Free shipping
- Free 90-day returns
How do you want your item?
Try 30 days for just $1! Choose a plan at checkout.
Ships to
Arrives by Sun, May 31
Sold by Compass LaboratoryPro Seller
Fulfilled by Walmart
4.294117647058823 stars out of 5, based on 17 seller reviews(4.3)
Free 90-day returns
Try 30 days of Walmart+ for just $1!
T&C apply.
About this item
Customer ratings & reviews
How item rating is calculated
Sort by |
Showing 1-3 of 16 reviews
Nov 19, 2025
Heather
5 out of 5 stars review
Verified Purchase
Quality Methylene Blue option
Incentivized Review
Helpful?
Nov 24, 2025
Aaron
5 out of 5 stars review
Verified Purchase
Incentivized Review
Helpful?
Jan 8, 2026
David
5 out of 5 stars review
Verified Purchase
Helpful?




















