: General marketplaces may mix stock from different sellers. Prefer dedicated health retailers that source directly.

: Specializes in organic and non-GMO brands. Good for bundling vitamins with healthy pantry staples to save on shipping.

: Look for a Supplement Facts Panel , Lot Number, and Expiration Date. If a label says "FDA Approved," it is a red flag, as the FDA does not "approve" supplements for safety.