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5-HTP 100 mg Time Release

Natrol
4.6
★ ★ ★ ★ ★
(8263 ratings)
5-HTP 100 mg
Product Image
Score93

A controlled-release 100 mg 5-HTP tablet for steady mood support and improved sleep duration.

How scoring works
Quantity:45 Tablet(s) • (45 servings)
Goals:
Mood Support
Sleep Support
Stress Relief
Weight Loss

Score 93

A controlled-release 100 mg 5-HTP tablet for steady mood support and improved sleep duration.

How scoring works

Also available as

1 option
200 mg • 30 Tablet(s) servings 5-HTP 200 mg • 30 Tablet(s) • 30 servings $14.99 ($0.49 per serving)
$17.32($0.38 per serving)
Amazon
$ 17.22
iHerb
$ 17.32
iHerb
$ 17.32
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Analysis

Steady-release technology is fantastic for mood stabilization because it avoids the quick peak and drop-off that standard capsules can have. This can lead to more consistent emotional resilience throughout the day and better sleep maintenance through the night.

The inclusion of calcium helps maintain the tablet's structure for its controlled release. It is a very practical choice for people who experience digestive sensitivity with standard 5-HTP supplements.

Pros

  • Time-release for steady levels
  • Gentler on the digestive system
  • Standard 100 mg dose
  • Good 45-day supply

Cons

  • Tablet format has more binders
  • Priced higher than basic capsules

Warnings

  • Do not break or chew the tablet
  • May cause mild daytime sleepiness

Nutrient quality

95 Highest impact

Time-release technology is a significant advantage for maintaining steady blood levels of the active amino acid precursor. The 100 mg dose is meaningfully concentrated for achieving therapeutic effects on neurotransmitter balance.

Ingredient transparency

98 Highest impact

Labeling clearly distinguishes the active components and the specific release mechanism used in the formulation. Providing the exact amounts of both Calcium and 5-HTP ensures a transparent user experience.

Customer satisfaction

92 Highest impact

Strong ratings and high review volume indicate significant consumer trust and success with the time-release format. Feedback suggests the product is particularly effective for those seeking prolonged rest and emotional stability.

Value for money

84 Highest impact

While the cost per serving is higher than standard capsules, the advanced time-release technology justifies the premium. It offers meaningful value for individuals who specifically require sustained nutrient delivery.

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Goals

Mood Support
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB CoverageA+ Formula Quality

5-HTP, derived from Griffonia simplicifolia, is delivered in a 100 mg time-release tablet for consistent mood support. This direct serotonin precursor appears well aligned with goals for emotional stability and balanced mood.

The time-release technology is a significant quality factor, as it helps maintain steady levels while reducing potential digestive upset. Clinical backing for this dose in serotonin synthesis is robust and reliable.

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

5-HTP serves as a direct precursor to serotonin and melatonin, supporting the natural regulation of mood and sleep. The time-release format appears well aligned with maintaining consistent levels for all-night support.

Griffonia simplicifolia extract may contribute to improved sleep quality by supporting melatonin production. This single-active formula provides focused neurotransmitter support.

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Stress Relief
Impact
Highest effect
A- Goal FitA+ Strength of SupportC- CoverageA Formula Quality

5-HTP at 100mg supports the body's natural production of serotonin, which may contribute to improved mood and emotional balance. The time-release tablet format appears well-aligned for maintaining consistent levels throughout the day or night to support a calm state.

Providing 100mg is a meaningfully potent dose that fits squarely within effective clinical ranges for stress and mood support. This single-ingredient product offers deep support for the serotonin pathway but lacks the breadth of multi-pathway adaptogenic formulas.

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Weight Loss
Impact
Highest effect
B+ Goal FitA- Strength of SupportC CoverageA+ Formula Quality

5-HTP supports the production of serotonin, which may contribute to enhanced satiety and reduced carbohydrate cravings. The time-release tablet format helps maintain consistent levels throughout the day, addressing the psychological drivers of overeating.

This simple formula focuses purely on appetite regulation without the use of stimulants. It appears well aligned for individuals whose primary challenge in weight loss is hunger management and mood-related eating.

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Ingredients

IngredientAmount per serving
Calcium (Dibasic Calcium Phosphate)
 32 mg
5-HTP (Griffonia simplicifolia)
 100 mg
Adults 18–50 Dairy Free Vegetarian
Report overview
5-HTP (Griffonia simplicifolia) · 100 mg OverallScore85
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value
This time-release 5-HTP supplement is designed to provide steady serotonin support throughout the day or night. It is a well-formulated, ideal-dosage choice that minimizes the risk of digestive upset.
View ingredientView products
96 Value

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(5550 ratings)
Adding critical cofactors like Vitamins B6 and C alongside the 100 mg dose improves biological utilization at a very competitive price. It supports the entire pathway of serotonin synthesis more effectively than slow-release alone.
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95 Value

5-HTP with Vitamin B6 & Vitamin C

Lake Avenue Nutrition
4.7
★★★★★
(5403 ratings)
Combining metabolic support vitamins with the standard 100 mg dose maximizes the value for daily users. This formula ensures the necessary precursors are converted efficiently within the nervous system.
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94 Value

5-HTP 5-Hydroxytryptophan 100 mg

Natural Factors Stress-Relax
4.7
★★★★★
(944 ratings)
Selecting a 120-tablet supply of the standard 100 mg dose provides high longevity and consistent value. It provides reliable neurotransmitter precursors for long-term psychological resilience.
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93 Performance

5-HTP 200 mg Time Release

Natrol
4.5
★★★★★
(7969 ratings)
Utilizing the same time-release technology with a double dose of 200 mg offers significantly more powerful support for serotonin levels. It is more effective for individuals seeking robust assistance with mood and evening tranquility.
Other sellers (3)
94 Performance

5-HTP Plus+ 200 mg

NatureWise
4.5
★★★★★
(5703 ratings)
Including active Vitamin B6 as P-5-P ensures the body can convert the 200 mg of 5-HTP much more efficiently. This advanced formula is superior for those needing high-potency neurotransmitter support.
Other sellers (4)
95 Performance

Double Strength 5-HTP 200 mg

NOW
4.8
★★★★★
(16873 ratings)
A potent blend of 200 mg 5-HTP with calming amino acids like Taurine and Glycine addresses several neurological pathways at once. The addition of essential B-vitamin cofactors further enhances metabolic conversion.
Other sellers (4)
96 Budget

5-HTP 100 mg

NOW
4.7
★★★★★
(52220 ratings)
Opting for standard capsules instead of time-release tablets provides a much lower cost for the same 100 mg dose. It is a highly efficient choice for daily neurotransmitter support.
Other sellers (4)
96 Budget

5-HTP 100 mg

Doctor's Best
4.7
★★★★★
(13025 ratings)
A 180-capsule format significantly reduces the daily cost of 100 mg 5-HTP. It offers a reliable and straightforward approach for individuals not requiring slow-release delivery.
Other sellers (2)
96 Budget

5-HTP 100 mg Extra Strength

Swanson
4.8
★★★★★
(7340 ratings)
Choosing this 100 mg capsule format provides excellent foundational support at a fraction of the cost. It is a practical and budget-conscious alternative for mood stabilization and rest.
Other sellers (2)
96 Value

5-HTP Enhanced with Vitamins B6 and C

Doctor's Best
4.8
★★★★★
(5550 ratings)
Adding critical cofactors like Vitamins B6 and C alongside the 100 mg dose improves biological utilization at a very competitive price. It supports the entire pathway of serotonin synthesis more effectively than slow-release alone.
Other sellers (3)
95 Value

5-HTP with Vitamin B6 & Vitamin C

Lake Avenue Nutrition
4.7
★★★★★
(5403 ratings)
Combining metabolic support vitamins with the standard 100 mg dose maximizes the value for daily users. This formula ensures the necessary precursors are converted efficiently within the nervous system.
Other sellers (0)
94 Value

5-HTP 5-Hydroxytryptophan 100 mg

Natural Factors Stress-Relax
4.7
★★★★★
(944 ratings)
Selecting a 120-tablet supply of the standard 100 mg dose provides high longevity and consistent value. It provides reliable neurotransmitter precursors for long-term psychological resilience.
Other sellers (2)
93 Performance

5-HTP 200 mg Time Release

Natrol
4.5
★★★★★
(7969 ratings)
Utilizing the same time-release technology with a double dose of 200 mg offers significantly more powerful support for serotonin levels. It is more effective for individuals seeking robust assistance with mood and evening tranquility.
Other sellers (3)
94 Performance

5-HTP Plus+ 200 mg

NatureWise
4.5
★★★★★
(5703 ratings)
Including active Vitamin B6 as P-5-P ensures the body can convert the 200 mg of 5-HTP much more efficiently. This advanced formula is superior for those needing high-potency neurotransmitter support.
Other sellers (4)
95 Performance

Double Strength 5-HTP 200 mg

NOW
4.8
★★★★★
(16873 ratings)
A potent blend of 200 mg 5-HTP with calming amino acids like Taurine and Glycine addresses several neurological pathways at once. The addition of essential B-vitamin cofactors further enhances metabolic conversion.
Other sellers (4)
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