Product Image

5-HTP 100 mg

NOW
4.7
★ ★ ★ ★ ★
(51921 ratings)
5-HTP 100 mg
Product Image
Score95

A reliable, standard-dose 100 mg 5-HTP supplement for daily emotional and sleep support.

How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Sleep Support
Mood Support
Weight Loss

Score 95

A reliable, standard-dose 100 mg 5-HTP supplement for daily emotional and sleep support.

How scoring works

Also available as

4 options
50 mg • 90 Capsule(s) servings 5-HTP 50 mg • 90 Capsule(s) • 90 servings $6.10 ($0.06 per serving) 50 mg • 180 Capsule(s) servings 5-HTP 50 mg • 180 Capsule(s) • 180 servings $19.65 ($0.10 per serving) 120 servings 5-HTP 100 mg • 120 Capsule(s) • 120 servings $13.75 ($0.11 per serving) 50 mg • 30 Capsule(s) servings 5-HTP 50 mg • 30 Capsule(s) • 30 servings $4.61 ($0.15 per serving)
$9.82($0.16 per serving)
iHerb
$ 10.40
Vitacost
$ 11.15
Daily Vita
$ 9.90
Amazon
$ 9.82
Report prices

Analysis

The 100 mg dose is widely used for those seeking meaningful support for their serotonin pathways. It may help you feel more emotionally balanced during the day and support your body's natural transition into sleep at night.

This particular brand is known for its high customer satisfaction and reliable standardized extracts. It is a clean, effective way to incorporate 5-HTP into your lifestyle without breaking the bank.

Pros

  • Standard 100 mg effective dose
  • High customer satisfaction ratings
  • Good value for a 2-month supply
  • Standardized Griffonia source

Cons

  • Gelatin capsules (non-vegan)
  • No added B6 for conversion support

Warnings

  • May cause mild nausea in some users
  • Avoid if taking prescription antidepressants

Nutrient quality

94 Highest impact

A 100 mg dose represents a robust and effective level of 5-Hydroxytryptophan from a natural source. This formulation targets serotonin production efficiently to support sleep, mood, and appetite regulation goals.

Ingredient transparency

98 Highest impact

Complete disclosure of the active ingredient and its botanical origin allows for fully informed consumer use. Specific labeling of all components ensures clarity regarding the purity of the formulation.

Customer satisfaction

95 Highest impact

Massive consumer feedback and exceptionally high ratings suggest a very successful and well-received formulation. Reported user experiences consistently align with the primary goals of mood and sleep support.

Value for money

92 Highest impact

Providing a standard therapeutic dose at a low cost per serving represents excellent value for most consumers. The pricing is highly competitive within the market for high-quality botanical amino acids.

Report analysis

Goals

Sleep Support
Impact
Highest effect
A- Goal FitA Strength of SupportC+ CoverageA+ Formula Quality

5-HTP from Griffonia seed extract provides a direct precursor for the synthesis of melatonin.

This 100mg dose appears well aligned with therapeutic standards for improving sleep onset and overall quality.

View goal →
Mood Support
Impact
Highest effect
A Goal FitA Strength of SupportC- CoverageA- Formula Quality

Griffonia simplicifolia seed extract is pointed out as the source of 100 mg of 5-HTP, providing a standard and effective dose for daily serotonin support. This amino acid is a direct precursor to the neurotransmitter responsible for emotional stability and mood.

The simple capsule format ensures a clean and reliable delivery for a wide range of dietary needs. It is an ideal baseline option for individuals seeking consistent support for psychological well-being and stress management.

View goal →
Weight Loss
Impact
Highest effect
B+ Goal FitA- Strength of SupportD+ CoverageA Formula Quality

Appetite regulation and satiety are targeted through 100mg of 5-HTP, which serves as a precursor to serotonin. Increased serotonin levels have been clinically shown to reduce carbohydrate cravings and support mood balance during weight management efforts.

Utilization of a standardized botanical source from Griffonia simplicifolia ensures a reliable delivery of the active compound. This single-ingredient approach offers a targeted way to address the psychological challenges of appetite management without unnecessary stimulants.

View goal →

Ingredients

IngredientAmount per serving
5-HTP (Griffonia simplicifolia Seed Extract)
 100 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
5-HTP (Griffonia simplicifolia Seed Extract) · 100 mg OverallScore87
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA- Value
This high-quality 5-HTP supplement provides the ideal dosage from a natural botanical source in standard capsules. It is a reliable and well-priced choice for daily mood and serotonin support.
View ingredientView products
96 Value

5-HTP 100 mg

NOW
4.7
★★★★★
(52220 ratings)
Moving up to a larger 120-count format of the same high-quality 100 mg dose offers improved daily value. It ensures a longer supply of essential neurotransmitter precursors for consistent use.
Other sellers (4)
95 Value

5-HTP with Vitamin B6 & Vitamin C

Lake Avenue Nutrition
4.7
★★★★★
(5403 ratings)
This formula provides supportive vitamins alongside the 100 mg dose at a similar value point. It offers a more complete nutritional strategy for individuals seeking psychological resilience and sleep quality.
Other sellers (0)
94 Value

5-HTP 100 mg

Jarrow Formulas
4.6
★★★★★
(1702 ratings)
Sourcing the amino acid in clean veggie capsules from a reputable brand ensures high quality for daily support. It maintains the therapeutic 100 mg concentration in a very high-purity format.
Other sellers (5)
94 Performance

5-HTP Plus+ 200 mg

NatureWise
4.5
★★★★★
(5703 ratings)
Including bioactive Vitamin B6 as P-5-P ensures the body has the most efficient form of this cofactor for neurotransmitter conversion. The 200 mg dose offers stronger support for those seeking substantial psychological assistance.
Other sellers (4)
96 Performance

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(5550 ratings)
Adding metabolic cofactors like Vitamin B6 and C facilitates the natural synthesis of serotonin much better than a single-ingredient formula. This ensures the precursors are converted effectively within the nervous system.
Other sellers (3)
93 Performance

5-HTP 100 mg Time Release

Natrol
4.6
★★★★★
(8263 ratings)
Utilizing time-release technology provides a steady supply of nutrients throughout the day or night for more consistent mood stabilization. This controlled delivery is often preferred for maintaining evening tranquility.
Other sellers (2)
94 Budget

5-HTP 50 mg

NOW
4.7
★★★★★
(14191 ratings)
Opting for a lower dose in a 90-count bottle offers the best savings for individuals who find 50 mg sufficient for their needs. It is a very cost-effective way to support the serotonin pathway.
Other sellers (5)
96 Budget

5-HTP 100 mg

Doctor's Best
4.7
★★★★★
(13025 ratings)
Choosing this 180-count supply of the standard 100 mg dose significantly reduces the cost per serving over time. It provides high-quality vegetable capsules for a better daily price.
Other sellers (2)
96 Budget

5-HTP 100 mg Extra Strength

Swanson
4.8
★★★★★
(7340 ratings)
This extra-strength capsule provides the same 100 mg of 5-HTP at a more competitive price point. It is a highly rated and economical alternative for maintaining emotional balance.
Other sellers (2)
96 Value

5-HTP 100 mg

NOW
4.7
★★★★★
(52220 ratings)
Moving up to a larger 120-count format of the same high-quality 100 mg dose offers improved daily value. It ensures a longer supply of essential neurotransmitter precursors for consistent use.
Other sellers (4)
95 Value

5-HTP with Vitamin B6 & Vitamin C

Lake Avenue Nutrition
4.7
★★★★★
(5403 ratings)
This formula provides supportive vitamins alongside the 100 mg dose at a similar value point. It offers a more complete nutritional strategy for individuals seeking psychological resilience and sleep quality.
Other sellers (0)
94 Value

5-HTP 100 mg

Jarrow Formulas
4.6
★★★★★
(1702 ratings)
Sourcing the amino acid in clean veggie capsules from a reputable brand ensures high quality for daily support. It maintains the therapeutic 100 mg concentration in a very high-purity format.
Other sellers (5)
94 Performance

5-HTP Plus+ 200 mg

NatureWise
4.5
★★★★★
(5703 ratings)
Including bioactive Vitamin B6 as P-5-P ensures the body has the most efficient form of this cofactor for neurotransmitter conversion. The 200 mg dose offers stronger support for those seeking substantial psychological assistance.
Other sellers (4)
96 Performance

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(5550 ratings)
Adding metabolic cofactors like Vitamin B6 and C facilitates the natural synthesis of serotonin much better than a single-ingredient formula. This ensures the precursors are converted effectively within the nervous system.
Other sellers (3)
93 Performance

5-HTP 100 mg Time Release

Natrol
4.6
★★★★★
(8263 ratings)
Utilizing time-release technology provides a steady supply of nutrients throughout the day or night for more consistent mood stabilization. This controlled delivery is often preferred for maintaining evening tranquility.
Other sellers (2)
Report alternatives