What brand supplements do you take and what dose? I did a cursory look online and was nervous about not finding any brands that I was familiar with, and I am concerned about quality given lack of regulations in the supplement market.
Though the reviews here seem like the side effects are horrible & counter the the purpose.
https://www.amazon.com/NOW-Supplements-Nicotinamide-Dinucleo...
Every "amazing" supplement I hear about encounters this problem. It has become laughable just how scammy/scummy some of the packages look.
Here's one of the more recent https://www.amazon.com/Thermal-Non-Stimulant-Thermogenic-Bur...
It's recommended by a seemingly serious and reputable doctor. I'm not buying it though.
The problem is that the supplement market has the incentive to maximize short-term marketing since their isn't any defensibility without a "proprietary" formula, which is a red flag in itself.