5 Hydroxytryptophan

8 Reviews

Capsules 90

5-Hydroxytryptophan (SA503) by Thorne Research is an intermediate metabolite that enhances serotonin production.

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SKU: 5-hydroxytryptophan-THR
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Product Details

Brand: Thorne Research

Product Code: 5-hydroxytryptophan-THR

Servings per Container: 90

Quantity per Container: 90 Capsules

  • Serotonin is associated with sleep regulation, mood, appetite, temperature, sexual behavior and pain sensation
  • 5-HTP initiates the process of converting the essential amino acid L-tryptophan to serotonin
  • 5-HTP has been shown to have a beneficial impact on mood, decreased carbohydrate cravings, fatigue, sleep enhancement and stress management
  • Supplementation reduces the factors that can inhibit serotonin synthesis such as stress, insulin resistance, aging and vitamin C, folate and iron deficiencies
  • Can be taken with meals without competing with other amino acids
  • Includes vitamin B6 for optimal activity

Ratings & Reviews

8 reviews

8/9/2011 12:00:00 am

Can't live without it

by Happy Lynn

I was having highs and lows. With your product, 5HTP I feel great 99% of the time. Referred to me by my doctor. Bless him.

Not medical or professional advice

6/28/2014 12:00:00 am

I have been buying this prod for 2 years

by Ricki -

It relaxes me before bed. Takes a while to get used to because it tends to upset my stomach at first.

Not medical or professional advice

10/25/2014 12:00:00 am

Good Value

by KH -

very good value and even better when there is an added coupon discount

Not medical or professional advice

1/31/2015 12:00:00 am

Better Sleep

by Debi

Began taking this about 5 months ago. Excellent alternative!

Not medical or professional advice

9/4/2017 12:00:00 am

sleep aide

by Lina P.

It was recommended. By my Acupuncturist. I have have utilizing it for sleep & have been pleased with its effectiveness .

Not medical or professional advice

2/24/2018 12:00:00 am

Thorne 5-Hydroxytryptophan

by Kevin M.

AM definitely flattens my mood, keeping me focused all day. PM allows me to nod off at a regular hour. Very cool stuff. Will always take this and recommend.

Not medical or professional advice

3/13/2020 12:00:00 am

Waste of my money. It may help some people, just not me

by Judy -

It did nothing for me. Sorry I bought 2

Not medical or professional advice

11/28/2022 12:30:00 am

Works great

by Sami

This stuff works great for relaxation. However, be warned if you take it to early u may find yourself waking up in the middle of the night and unable to fall back to sleep.

Not medical or professional advice