This is great! Did you start finally feeling relief with reaching and maintaining this level of dose as opposed to lower previous dosing?

It looks like the GPR109A receptor is going now more at last with the glutamine addition… seems like many of us have to make up a lot lost!

Nicotinic acid promotes sleep through prostaglandin synthesis
https://www.nature.com/articles/s41598-019-53648-7

Dmitry, the difference was subtle. I was usually taking 4 Grams of Niacin, but without glutamine. Now, with the glutamine it really seems to make my body happy. So thank you Dmitry!!