Methylene Blue Pharmaceutical Grade, USP Grade, Third-Party Tested with Vitamin C - Memory Booster - Improves Cognitive Function and Focus - Clear Thoughts and Reduced Fog - Liquid Supplement

You Guys vitamin C causes the methylene blue to turn light in color. The bottles that you were getting that are dark blue have oxidized the vitamin C. Keep it in a dark area. If anything, the dark blue ones that you want are old or have been exposed to sunlight. It’s supposed to come light and color because it has the vitamin C in it. You are getting methylene blue still I promise. I love this company!!! Best methylene blue on the market. They sell to compound pharmacies because there’s is so pure.

i feel better taking it

It doesn't taste too bad but I hate that it leaves my mouth blue. I think it does help my brain fog.

Our holistic practitioner had us start these for brain fog. They work great but the taste is gross. Have a chaser on hand lolThere are other brands that work the same but are palatable and cheaper that’s the only reason I chose 3 stars.

Seems to give me more energy throughout the day.

I have purchased 4 bottles of OnGuard Methylene Blue. First bottle was sold to me by my Dr. The last 3 bottles were purchased through Amazon. First 3 bottles the product was deep blue, had a good taste and seemed to do what I was hoping it would do. I had read negative reviews however they were dated a year ago so I was believing they had cleaned up their act. Well my last bottle was just like the negative reviews. Product was no longer blue. It is a light yellow/green. I still took a dose and it severely burned my mouth and throat and tasted foul. Went on app to do a return only to learn I’m screwed! No returns allowed for this product. Very convenient for a company that will put out inferior quality products. They say third party tested! How then do I get something completely different from the other 3 bottles that is foul and burns my mouth and throat. If you can’t return then…There is no accountability! I’m at least going to show this to my Dr so he knows that it could be dangerous for other patients!

Soooo helpful! Lots of energy and focus. Make sure to do your research so you know how to use it. This is for sure a new staple in our supplement and vitamin cabinet. Helped with my adhd symptoms too.

Excellent product.. I noticed mental clarity and more energy after just one use. Thank you!