• A bottle of Thorne 5-Hydroxytryptophan dietary supplement with a white label and green botanical designs.
  • Supplement facts for a bottle of Thorne 5-Hydroxytryptophan dietary supplement

Thorne

Thorne 5-Hydroxytryptophan (SA503)

Thorne 5-Hydroxytryptophan (SA503)

$37.00
$37.00
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INGREDIENTS GUARANTEE INGREDIENTS GUARANTEE

3rd-party tested
SCIENCE BACKED SCIENCE BACKED

Rigorous product testing
FREE FROM FREE FROM

Many common allergens
SIMPLE INGREDIENTS SIMPLE INGREDIENTS

No unnecessary additives
GMP CERTIFIED GMP CERTIFIED

FDA manufacturing approval
INGREDIENTS GUARANTEE INGREDIENTS GUARANTEE

3rd-party tested
SCIENCE BACKED SCIENCE BACKED

Rigorous product testing
FREE FROM FREE FROM

Many common allergens
SIMPLE INGREDIENTS SIMPLE INGREDIENTS

No unnecessary additives
GMP CERTIFIED GMP CERTIFIED

FDA manufacturing approval

Shipping & Returns

5-HTP increases serotonin levels to promote restful sleep, manage stress, and decrease sugar cravings.* It contains pyridoxal 5'-phosphate, the active form of vitamin B6 and the necessary cofactor for the conversion of 5-HTP to serotonin.

Free shipping to the 48 contiguous states. $15.00, flat rate shipping to addresses in Alaska and Hawaii.

  • I’ve been using the supplements from Integrated Health Products for a month now, and I’m truly impressed with the quality. The ingredients are clean and effective, and I feel a noticeable improvement in sleep and stomach issues. Ordering was easy, and shipping was super quick.

    maria

  • I’ve been using the supplements from Integrated Health Products for a month now, and I’m truly impressed with the quality. The ingredients are clean and effective, and I feel a noticeable improvement in sleep and stomach issues. Ordering was easy, and shipping was super quick.

    maria

  • I’ve been using the supplements from Integrated Health Products for a month now, and I’m truly impressed with the quality. The ingredients are clean and effective, and I feel a noticeable improvement in sleep and stomach issues. Ordering was easy, and shipping was super quick.

    maria