Rejuvant Men's AKG Supplement 1000MG Ultra 98% Pure (Calcium Alpha-Ketoglutarate) with Patented AKG Vitamin A Rich Controlled Release Formula for Longevity, Recovery, and Cell Repair, 60 Tablets

I'm not sure if this product is making me feel terrific, but I do!

It’s good

Happy with this purchase.

Not sure how much these help- very pricey- but overall I feel great. The pills are huge - making them difficult to swallow.

Contiene una cantidad exorbitante de vitamina B12 que es tóxica para el cuerpo. Excede por mucho la cantidad adecuada, incluso para personas con deficiencia de vitamina B12.

I was interested in this supplement because we're all getting older. Also, supplements that aim to be science based intrigue me. That said, before I take anything I try to get a feeling for how safe a supplement might be by looking at the Transparency and accountability of the company/manufacturer/distributor as well as the apparent quality of the product. Transparency: There is a large amount of literature available on the internet about both Ca-AKG and about Rejuvant and about the studies they've done. The brand Rejuvant is owned by Ponce de Leon Health Inc. It is easy to find information about the company. According to the “Robb Report '' Rejuvant was developed in collaboration with Dr Brian Kennedy PhD at the Buck Institute for research on Aging in 2015. They have evidently done multiple animal studies and at least one human study. They claim multiple trademarks, but I only found trademark activity for this brand in India (that doesn't US trademarks don't exist, just that I couldn't find them for Rejuvant). They do have at least one US patent (and claim several more patents pending I believe). Accountability: Per Amazon, this product is said to have been formulated and produced in the US, in a GMP certified facility. I’ve also read that it's made in India. I can not verify the GMP certification or 3rd party lab testing, but given that there have been millions invested in this product, I suspect that they are motivated to put out a safe supplement. Quality: Each serving is two tablets, making these three bottles a 3 month supply. The tablets are relatively large and not meant to be chewed, as I believe the main feature of this formulation is that it’s time released. I didn't have trouble swallowing these, but took them with a generous amount of water. While they have researched these, common critiques that I saw in my brief review include the use of a particular epigenetic (aging) marker tool and also the lack of a control group. I believe they are planning to continue their research with the addition of control groups. I took off a star because of the high cost of this supplement (which may be worth it) and because while research is promising, it is a work in progress. As always, it's good advice to both speak with your health care provider and to educate yourself before using any supplement.

I could go on and on about the benefits of this product but as a male in their mid 40s and taking Rejuvant for almost 2 years...I can say with certainty that for me...I have experienced all of the benefits listed. I feel younger, have more energy and recover from exercise faster then before. Definitely worth the money!

Customer service was awful. Asked a question about the B12 content and they said to go ask my doctor. Also when you open the bottle you will find 2 cotton balls that take up half the bottle. Marketing ploy to make it look like more of a value than it is. Way too overpriced for no help. Does it work? Not so far.