A number of substances might improve health in a lot of situations

[Baobab]

with low or no risk.

For example, resveratrol may be useful for glaucoma, cardiovascular disease, back pain and arthritis, it may also be good for the brain, some kinds of dabetes, and so on.

Curcumin is similarly useful, it may even prevent Alzheimers, they discovered that because people who eat curry a lot rarely get Alzheimers.

n-acetylcysteine helps prevent many cancers and helps the body deal with many toxic substances we encounter a lot.

And so on..