Product Guides

NOW Foods sells 5-HTP in 50 mg, 100 mg and 200 mg strengths. Here is what 5-HTP is and why it must not be mixed with antidepressants without a doctor's advice.

Nutricost 5-HTP comes in 100 mg and 200 mg capsules. Here is what 5-HTP is and why it must not be mixed with antidepressants or other serotonin medicines without a doctor's advice.

Doctor's Best 5-HTP is a vegan 5-hydroxytryptophan supplement. Here is what 5-HTP is, how to use it and why anyone taking antidepressants or other serotonin medicines must not take it without a doctor's advice.