What to Avoid

A quick checklist of red flags that signal a St. John's Wort product is not worth your money.

• Claims of 100% success. No supplement works for everyone.
• Marketing with no clinical research behind the claims.
• No standardized extract concentration listed on the label.
• No quality-control or purity testing described by the manufacturer.
• Ingredients that can't cross the blood-brain barrier, such as added tryptophan or GABA, presented as if they boost the effect.
• Promises of immediate relief. St. John's Wort takes weeks to reach full effect; any product claiming instant results is misleading you.