I started getting headaches lasting throughout the day. I wasn't sure why. I didn't get them taking these supplements at first so I didn't where they were coming from. I got the first one while mountain biking. A dull headache, tired feeling along with slight nausea. Stopped taking them and the headaches subsided. Turns out that's a known possible side-effect. I should've read up on it more. Just be aware that it does happen to some users. And it's recommended to also take them before sleep. Headaches are telling you something may be wrong. If you try to sleep through it that might be an issue of concern as well. Don't get mad at the messenger. Just relaying a personal testimony - that's all. Read more

Seems to help out with stress, but seems to be out of stock often. Read more

I hope its authentic/genuine since its shipped from US Read more

Me encanta Read more

Highly effective without side effects. Have reordered several times. A very natural your own energy type of improvement. Vitamin b1 (bentofimine). Also effective if you get the dose right. This is easier though. Creatine, NMN, various anti oxidants, various neurotransmitter precursors didn’t work well for me. Read more