Natural Remedies & Herbs for Age-Related Cognitive Decline

Most but not all clinical trials, many of them double-blind, have found ginkgo supplementation to be a safe and effective treatment for ARCD.

Huperzine A, an isolated alkaloid from the Chinese medicinal herb huperzia(Huperzia serrata), has been found to improve cognitive function in elderly people with memory disorders. One double-blind trial found that huperzine A (100 to 150 mcg two to three times per day for four to six weeks) was more effective for improving minor memory loss associated with ARCD than the drug piracetam. More research is needed before the usefulness of huperzine A is confirmed for mild memory loss associated with ARCD.

Animal studies have found the Ayurvedic herb bacopa has constituents that enhance several aspects of mental function and learning ability. A controlled study found that a syrup containing an extract of dried bacopa herb given to children improved several measures of mental performance. A double-blind trial in adults found that a standardized extract of bacopa (300 mg per day for people weighing under 200 lbs and 450 per day for people over 200 lbs) improved only one out of several measures of memory function after three months. Another double-blind trial lasting twelve weeks found 300 mg per day of bacopa improved four out of fifteen measures of learning, memory, and other mental functions in adults. A third double-blind study found no effects on mental function in a group of healthy adults given 300 mg of standardized bacopa and tested two hours later. Bacopa has not been tested on people with memory problems...