SKU: 44581439239

Special Order - 5-Hydroxytryptophan [5-HTP] (90 Capsules)

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Description

Special Order - 5-Hydroxytryptophan [5-HTP] (90 Capsules)Introduction of L tryptophan: L tryptophan is an amino acid essential to human metabolism because it is the metabolic precursor of serotonin (a neurotransmitter), melatonin (a neurohormone), and niacin (vitamin B3).* Other neurotransmitters and central nervous system chemicals, including dopamine, norepinephrine, and beta endorphin, have been shown to increase following oral administration of tryptophan.* Because of its effects on serotonin and

Introduction of L-tryptophan:
L-tryptophan is an amino acid essential to human metabolism because it is the metabolic precursor of serotonin (a neurotransmitter), melatonin (a neurohormone), and niacin (vitamin B3).* Other neurotransmitters and central nervous system chemicals, including dopamine, norepinephrine, and beta-endorphin, have been shown to increase following oral administration of tryptophan.* Because of its effects on serotonin and melatonin production in the brain, L-tryptophan supplementation can benefit mood and can also promote relaxation, a benefit for individuals attempting to get to sleep.*

Introduction of  5-Hydroxytryptophan (5-HTP):
5-Hydroxytryptophan (5-HTP) is the intermediate metabolite produced when the body initiates the process of converting the essential amino acid L-tryptophan to serotonin. Serotonin levels in the body are associated with the regulation of sleep, mood, aggression, appetite, temperature, sexual behavior, and pain sensation.*

Supplementing with 5-HTP to facilitate serotonin production is preferable to supplementing with L-tryptophan because, unlike L-tryptophan, 5-HTP cannot be shunted into niacin or protein production.* Supplementation with 5-HTP bypasses the conversion of L-tryptophan into 5-HTP by the enzyme tryptophan hydroxylase, the rate-limiting step in the synthesis of serotonin and a step that can be inhibited by a number of factors, including stress, insulin resistance, increasing age, and deficiencies of vitamin C, folate, and iron.

 

 

 

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SKU: 44581439239

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Kelly Klimczak
Boise, US
★★★★★ 4
Nice pillow
Size: Standard (Mid Loft), Number of Items: 1
Nice but found better
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Reviewed in the United States on April 16, 2026
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Ellen C.
Pawtucket, US
★★★★★ 5
Comfortable Pillow!
Size: Standard (Mid Loft), Number of Items: 1, Size: Standard (Mid Loft), Number of Items: 1
For many years, I always bought the same brand latex foam pillow. Unfortunately, it's not made anymore so I took a chance with something new. I'm glad I picked this one! Very comfortable and I like the medium firmness. Not too soft or too firm, perfect for me. There is a very slight odor but it is not overpowering at all and I know it will dissipate over time. I will be purchasing another one soon!
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Reviewed in the United States on April 21, 2026
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Patricia A Weston
Carnegie, US
★★★★★ 5
Perfect pillow
Size: Standard (Mid Loft), Number of Items: 1
I like this pillow. Fits great for latex.
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Reviewed in the United States on May 3, 2026
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Bob
Louisville, US
★★★★★ 3
Very good
Size: Standard (Mid Loft), Number of Items: 1
Excellent pillow. Soft but medium support. Fell asleep on it right away and it stays cool. Like sleeping on a cloud.
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Reviewed in the United States on August 1, 2025
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Chris
Louisville, US
★★★★★ 5
A Good Night’s 💤
Size: Standard (Mid Loft), Number of Items: 1
I’ve bought many pillows over the years and this pillow is by far the best for me. I am a back and side sleeper. Finally wake up without a headache or neck discomfort. I bought the medium standard. Just the right consistency. Not to soft not to firm. Stay cool pillow.
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Reviewed in the United States on March 30, 2026

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