Dennis, thank you for sharing that health tip.
Swanson’s and doctor Lee S are Very reliable sources product and nutritional research.
RE: time release 5HTP at 200mg
https://www.swansonvitamins.com/natrol-5-htp-time-release-200-mg-30-tabs
Plus I always like to buy NOW brand supplements when I am able to. Jarrow is expensive but also good. You want to increase your vitamin C intake? Buy NOW brand magnesium ascorbate. An 8 ounce powder...not capsule.