Niacin is a meme, the effects of the HGH increase will be completely gone within a couple of hoursIm double the dose of Huperzine A, also I’d take 1.5g of niacin on a empty stomach when you wake up in the morning. It causes an enormous spike in GH.
Niacin - The "Cholesterol Wars" Champion Can Also Raise Growth Hormone - Nutrition Review
By Ward Dean, MD A study in the Archives of Internal Medicine (Guyton, et al, 2000) confirms my long-held belief in the superiority of niacin (vitamin B3) as a lipid-lowering agent. A proprietary timed-release version of niacin (Niaspan) was compared to the pharmaceutical drug gemfibrozil...nutritionreview.org
That article showed a boost for up to 5 hours, which still isn’t enough on its own, but combining with mk677 could magnify this effect, the same way many peptides stack. Still there’s no science on it yet so who knows.
It won't have a synergistic effect since it isn't a GHRP being combined with a GHRH. You need these two peptides to combine in order to achieve the synergistic effect that increases HGH release
