A few human studies exist, but still limited in number.
Some evidence shows it’s safe, but not enough to be certain.
No side effects reported in studies with healthy people.
Rare interactions or risks, but not enough data to rule out.
Few studies look at what happens after long-term use.
Large amounts don’t seem harmful, but full limits unknown.
Seems safe for most adults, but not studied in all groups.
Decent absorption with little risk of accidental overuse.