Formula ingredient
Tryptophan
Tryptophan appears on this product’s ingredient list. Open its page to learn what it does and see other formulas that share it.
Products with Tryptophan
5 products in the marketplace list this ingredient.

COSRX PEPTIDE-132 Ultra Perfect Hair Bonding Treatment
COSRX
$30
#Bond-repair treatment that smooths, strengthens, and shines Salon-grade treatment with patented PEPTIDE-132™ to repair damaged bonds, lock in moisture, and leave hair silky, shiny, and frizz-free. Size : 60 mL (2.02 fl. oz.) / 120 mL (4.05 fl. oz.) / 240 mL (8.11 fl. oz.)

Chai Nighttime Relax
Just Ingredients
$34.99
Chai Nighttime Relax is a caffeine-free, magnesium-rich bedtime blend formulated to help calm the nervous system and support restful sleep. Each scoop combines magnesium bisglycinate, L-theanine, inositol, rooibos and tart cherry extract with warming chai spices for a comforting evening beverage.

Lemon Chamomile Nighttime Relax
Just Ingredients
$34.99
Nighttime Relax Lemon Chamomile is a gentle sleep-support powder that blends organic German chamomile, magnesium bisglycinate, L‑theanine, inositol, and tart cherry extract to calm the mind and support melatonin production. Light lemon flavor with no added melatonin, no added sugar, and no artificial flavors.

Strawberry Limeade Nighttime Relax
Just Ingredients
$34.99
Our classic Strawberry Limeade flavor with a hint of Tart Cherry Introducing your newest night time, sweet tooth treat - Strawberry Limeade Nighttime Relax drink. Promotes relaxation using magnesium to prepare your body & mind for bed.

Strawberry Limeade Nighttime Relax (Kids)
Just Ingredients
$34.99
Strawberry Limeade Nighttime Relax is a kid-formulated bedtime drink powder designed for children ages 4+. It combines a bioavailable form of magnesium with calming nutrients to help little ones unwind and support a consistent evening routine.