PureBlue: Elevate Methylene Blue Pharmaceutical Grade, Anti-Aging and Cognitive Enhancing Properties - Third Party Tested - Made in USA - Formaldehyde & Alcohol-Free (2 fl oz)

A high quality product. My husband and I are using it every day. I could feel the difference after one dose, but it took my husband a bit longer. After the first week he started noticing some real changes taking place, now after 4 weeks he's feeling big changes. One of the biggest changes is the lessening of pain in his body and he's now sleeping through the night. That's huge for him.

Excellent product. High quality, great price.

There is absolutely no safety/tampering seal applied to this brand's bottles. If you're expecting the bottle to be closed and sealed and the dropper separately packaged in the box (like I did) you'd be wrong. If you were expecting a typical perforated clear thin plastic cover sealing the dropper to the bottle, nope. So anyone at any point in the chain of custody of this product can introduce contaminants or worse, or they could simply remove the actual methylene blue and replace it with blue food coloring in water. This is not acceptable in 2025.

I decided to try MB when I saw the video of a certain HHS secretary using it on a plane. Helped in the typical ways listed, but also some surprising ways. I noticed within 3 days, my bones joints and teeth felt stronger- that was unexpected. Then a week later, I was on the ground to look under my car and I popped up off the ground like I did 10-20 years ago. I'd usually take a little while to get up these days but it seems the clock has been turned back, which is pretty rad. I'm at 4 drops a day and I'm about 2 1/2 weeks using it. Good luck to everyone.

USP standards.

If one uses this as I have, it appears there is a surge in brain activity. 20 drops a day or so was my dose and it appears after 2 weeks there was some change in the brain. I stopped for a week and any symptoms did diminish so it does percolate some brain activity in a positive way. I understand there are dosage suggestions based upon weight and this dose was lower than those suggested by a matrix on the internet. As many testify to MB use, start low and increase slowly to see your acceptable threshold. MB had no other affects on me that was negative as of yet.

First time ever using this stuff and all I can say is wow! A friend referred me to this product and said it took away his midday sluggishness. He told me he no longer needed coffee to help him make it through the day so I figured I’d give it a try and I’m so happy I did! I felt it with in 15 minutes and it was right behind my eyes, wide open. Unlike coffee, I had zero stimulant effects, I just felt fully alert… For someone who struggles with fatigue, this was a god send! I usually don’t leave reviews but this stuff deserves it.

Like others have said, no safety seal, no instructions/dosage.Going by word of mouth on this product, as a friend recommended it.Tastes awful if taken alone, much easier to take in with a soda.Stains very badly anything that it touches, fingers, countertops, tongue..... be extremely careful.