For those of you who are interested, and believe in the receptor theory (Ray Peat does not I think), here is some interesting info. Niacinamide in human doses of 1500mg - 3000mg daily is potent anti-anxiety drug similar in action to the benzodiazepine class of drugs like Diazepam, Valium, and Xanax.
http://www.ncbi.nlm.nih.gov/pubmed/6101294
http://www.ncbi.nlm.nih.gov/pubmed/6125374
http://www.ncbi.nlm.nih.gov/pubmed/7913840
I can personally attest to the fact that anything above 1500mg dosage at once makes me the mellowest, nicest...and sleepiest person
http://www.ncbi.nlm.nih.gov/pubmed/6101294
http://www.ncbi.nlm.nih.gov/pubmed/6125374
http://www.ncbi.nlm.nih.gov/pubmed/7913840
I can personally attest to the fact that anything above 1500mg dosage at once makes me the mellowest, nicest...and sleepiest person