I research supplements, drugs and talk to doctors all the time, but I primarily research anti-aging and brain improvement supplements/drugs. Here is a list of the best Anti-aging/longevity and Brain drugs I know of
Any age:
1. Carnonsine (clinical trials extended mice lifespan by 20% in age accelerated) buy: (www.iherb.com)for infowww.smart-drugs.com)
2. Idebenone (Synthetic analogue of CoQ10, but much more powerful, has none of q10\'s weaknesses and works for the brain unlike coq10)to buywww.1to1vitamins.com )for infowww.smart-drugs.com)
3. Acetyl-L-Carnitine (www.iherb.com)
4. Coral Calcium(above sea level)(www.coralexpress.com)

Age 30 and over:
1. Memantine(glucophage) (this diabetic drug has been discovered as an extremely potent anti-aging drug for post 30yrs old people) to buy: (www.smart-drugs.com)

Anti-aging strictly for brain and brain augmentation any age:
1.Piracetam (keeps your brain from aging and a powerful enhancer) to buy: only U.S. carrier there is currently(www.sherwyns.com) search: Piracetam
2.Vinepocetine (I do not reccommend taking this with Gingko Bilobo) (www.iherb.com)
3. Huperzine A (www.iherb.com)
4. Galantamine (www.iherb.com)

Top of the Line Multi-vitamin made by a doctor and rated in top 5 on tv rated by health specialist:
1. Cooper Complete (www.coopercomplete.com)

PM me if you would like the best brand for any of the products if you are interested.