• Supports a Positive Mood*
  • With Glycine, Taurine & Inositol

5-HTP, the intermediate metabolite between the amino acid tryptophan and serotonin, is extracted from the seed of an African plant ( Griffonia simplicifolia ).

NOW ® Double Strength 5-HTP has twice the 5-HTP (200 mg per capsule) as in our regular strength product (100 mg per capsule).

Natural color variation may occur in this product.


Supplement Facts

Serving Size: 1 Veg Capsule
Servings Per Container: 60

Amount per Serving % Daily Value
† Daily Value not established.
Niacin (as Niacinamide) (Vitamin B-3) 20 mg 125%
Vitamin B-6 (from Pyridoxine HCl) 2 mg 118%
5-HTP (5-hydroxytryptophan)
(from Griffonia simplicifolia Extract)
(Seed)
200 mg
Glycine (Free-Form) 100 mg
Taurine (Free-Form) 100 mg
Inositol 100 mg

Other Ingredients: Hypromellose (cellulose capsule), Ascorbyl Palmitate and Silicon Dioxide.

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Suggested Usage & Storage:

Take 1 capsule daily, preferably on an empty stomach at bedtime.

Store in a cool, dry place after opening.


Caution: For adults only. Not recommended for pregnant/nursing women. Consult physician if taking medications (especially antidepressants), or have a medical condition. May cause drowsiness and mild transient GI symptoms. Take with food in case of GI upset. Keep out of reach of children.

NOW ® Double Strength 5-HTP has twice the 5-HTP (200 mg per capsule) as in our regular strength product (100 mg per capsule).

Natural color variation may occur in this product.

Store in a cool, dry place after opening.

Family owned since 1968.