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L-5-Hydroxytryptophan

amino acid

65
products
Updated April 2026

Dosage Range

3 mgavg 82.19 mg400 mg

L-5-Hydroxytryptophan is found in 162 supplement products from 33 brands. Dosages range from 3 to 400 mg, with an average of 82.19. The most common form is Capsule.

Top 5 Highest-Dosage L-5-Hydroxytryptophan Supplements

  1. Seratonin by Allergy Research Group — 400 mg
  2. 5-HTP Plus+ 200 mg by NatureWise — 200 mg
  3. Somnolin by Metagenics — 200 mg
  4. In Joy by Redd Remedies — 150 mg
  5. 5HTP 100 mg by Genestra Brands — 100 mg

Seratonin by Allergy Research Group has the highest L-5-Hydroxytryptophan dosage at 400 mg. HGH Surge by Source Naturals has the lowest at 50 mg.

All Products

showing 65 of 65
SeratoninAllergy Research Group
400 mg— DVCapsule
5-HTP Plus+ 200 mgNatureWise
200 mg— DVCapsule
SomnolinMetagenics
200 mg— DVTablet or Pill
In JoyRedd Remedies
150 mg— DVTablet or Pill
5HTP 100 mgGenestra Brands
100 mg— DVCapsule
5-HTP 100 mgAllergy Research Group
100 mg— DVCapsule
5-HTP 100 mgMRM Nutrition
100 mg— DVCapsule
5-HTP 100DC
100 mg— DVCapsule
Calm/RechargeAllergy Research Group
100 mg— DVPowder
SeroSynMetagenics
100 mg— DVCapsule
Zen Sleep with P5P and 5-HTPAllergy Research Group
100 mg— DVCapsule
5-HTP PlusNatrol
100 mg— DVTablet or Pill
5-HTPNature's Way
100 mg— DVTablet or Pill
5-HTP SAP 100 mgNFH
100 mg— DVCapsule
5HTP 100 mgVital Nutrients
100 mg— DVCapsule
5-HTP w/SRTJigsaw Health
100 mg— DVTablet or Pill
Sleepyoutheory
100 mg— DVPowder
Sleep Nighttime Powderyoutheory
100 mg— DVPowder
5-HTP with Vitamin B6 & Vitamin CLake Avenue Nutrition
100 mg— DVCapsule
5-HTP 100 mgFoster Regal
100 mg— DVCapsule
5-HTP Plus FormulaDouglas Laboratories
75 mg— DVCapsule
Anxiety BalancePriority One Nutritional Supplements
75 mg— DVCapsule
SIBO-MMCPriority One Nutritional Supplements
75 mg— DVCapsule
Relora CalmThe Vitamin Shoppe
75 mg— DVCapsule
ClearMoodAdvoCare
60 mg— DVCapsule
W.L. EnergizerPriority One Nutritional Supplements
51 mg— DVCapsule
5-HTP & MelatoninSwanson
50 mg— DVCapsule
5-HTP With Vitamin B6 50 mgThe Vitamin Shoppe
50 mg— DVCapsule
Stress AdaptogensMRM
50 mg— DVCapsule
5-HTP 50 mgSolaray
50 mg— DVCapsule
At Ease PMRedd Remedies
50 mg— DVCapsule
5-HTPDouglas Laboratories
50 mg— DVCapsule
End Fatigue Revitalizing Sleep FormulaIntegrative Therapeutics
50 mg— DVCapsule
5-HTP 50 mgFoster Regal
50 mg— DVCapsule
Relax-ALL SleepMRM Nutrition
50 mg— DVCapsule
Sleep-EzeViva Vitamins
50 mg— DVTablet or Pill
5-HTPDC
50 mg— DVCapsule
5-HTP 50 mgMRM Nutrition
50 mg— DVCapsule
5-HTPIntegrative Therapeutics
50 mg— DVCapsule
5-HTP 50 mgSwanson
50 mg— DVCapsule
5-HTP 50 mgAllergy Research Group
50 mg— DVCapsule
5-HTP SAP 50 mgNFH
50 mg— DVCapsule
Appetite Control FormulaSuperSmart
50 mg— DVCapsule
SomulinPharmaxa Labs
45 mg— DVCapsule
PureBalance SeratoninQuality Of Life
33 mg— DVCapsule
R.E.M.Priority One Nutritional Supplements
30 mg— DVCapsule
At EaseRedd Remedies
25 mg— DVTablet or Pill
Super Hydroxy MaxDouglas Laboratories
25 mg— DVTablet or Pill
Free AminosAllergy Research Group
20 mg— DVCapsule
5-Hydroxy GabaPriority One Nutritional Supplements
15 mg— DVCapsule
Smokers Cleanse 3Renew Life
10 mg— DVCapsule
Mood Aid With 5-HTP & St. John's WortNature's Way
3 mg— DVCapsule
Maximum Strength 5-HTP 200 mgDiscontinuedSwanson Ultra
200 mg— DVCapsule
Ultra 5-HTP FormulaDiscontinuedDouglas Laboratories
125 mg— DVCapsule
Enteric Coated 5-HTP Extra Strength 100 mgDiscontinuedSwanson Ultra
100 mg— DVTablet or Pill
Extra-Strength 5-HTP 100 mgDiscontinuedSwanson Ultra
100 mg— DVCapsule
5-HTP 100 mgDiscontinuedMRM
100 mg— DVCapsule
5-HTP With Vitamin B6 100 mgDiscontinuedThe Vitamin Shoppe
100 mg— DVCapsule
5-HTP 100 mgDiscontinuedKlaire Labs
100 mg— DVCapsule
5-HTPDiscontinuedAllergy Research Group
50 mg— DVCapsule
5-HTP 50 mgDiscontinuedKlaire Labs
50 mg— DVCapsule
5-HTP 50 mgDiscontinuedSwanson Premium Brand
50 mg— DVCapsule
5-HTP 50 mgDiscontinuedMRM
50 mg— DVCapsule
5-HTP L-5-HydroxytryptophanDiscontinuedAllergy Research Group
50 mg— DVCapsule
HGH SurgeDiscontinuedSource Naturals
50 mg— DVTablet or Pill

Frequently Asked Questions

How many products contain L-5-Hydroxytryptophan?

There are 162 supplement products containing L-5-Hydroxytryptophan from 33 brands in the NIH DSLD database.

What is the average L-5-Hydroxytryptophan dosage?

The average L-5-Hydroxytryptophan dosage across supplement products is 82.19 mg. Dosages range from 3 to 400 mg.

What is the most common form for L-5-Hydroxytryptophan supplements?

The most common product form for L-5-Hydroxytryptophan supplements is Capsule.

What brands make L-5-Hydroxytryptophan supplements?

There are 33 brands that make supplements containing L-5-Hydroxytryptophan in the NIH DSLD database.

Related Ingredients

L-Glutamine2,270L-Tyrosine1,633L-Leucine1,161L-Arginine1,099L-Lysine1,039Glycine1,009L-Methionine976L-Valine890

Explore More

Quick Facts

Products
162
Brands
33
Avg Dose
82.19 mg
Common Form
Capsule
Category
amino acid

Related Ingredients

L-Glutamine2,270L-Tyrosine1,633L-Leucine1,161L-Arginine1,099L-Lysine1,039