Product Image

5-HTP 5-Hydroxytryptophan 100 mg

Natural Factors Stress-Relax
4.6
(1649 ratings)
5-HTP 100 mg
Product Image
Score94

Time-release 100 mg 5-HTP caplets designed for gradual absorption and steady serotonin support.

How scoring works
Quantity:60 Tablet(s)(60 servings)
Goals:
Sleep Support
Mood Support
Weight Loss
Stress Relief

Score 94

Time-release 100 mg 5-HTP caplets designed for gradual absorption and steady serotonin support.

How scoring works
$20.97($0.34 per serving)
iHerb
$ 20.97
Vitacost
$ 20.97
Amazon
$ 24.99
Report prices

Analysis

Sustained-release technology allows for the gradual delivery of 100 mg of 5-HTP throughout the day or night. This delivery method appears well aligned for individuals seeking steady support while minimizing the digestive sensitivities sometimes linked to standard capsules. Inclusion of calcium provides structural support for the tablet and offers a minor mineral base.

Controlled delivery is particularly relevant for those who experience nausea or stomach upset with immediate-release formats. This approach supports longer-term neurotransmitter balance by preventing sudden spikes in nutrient availability. A focused, single-ingredient profile ensures that the primary active remains the priority for mood and sleep goals.

A 60-count supply offers a practical duration for assessing the effectiveness of a time-release protocol. Naturally derived Griffonia extract serves as the high-quality source for the serotonin precursor in every serving. Using these specialized caplets provides a refined and efficient method for those requiring consistent support.

Who is it for
  • Individuals with sensitive digestion
  • Users seeking sustained support
  • People needing consistent overnight help
Best for
  • Steady daily mood balance
  • Overnight sleep maintenance
  • Reducing digestive discomfort

Pros

  • Controlled-release technology
  • Standard 100 mg dosage
  • Includes supportive calcium
  • Naturally derived source

Cons

  • Higher price per serving than simple caps
  • Tablet format may be harder to swallow
  • Lacks synergistic cofactors like B6

Warnings

  • Do not crush or chew sustained-release tablets
  • Consult a professional if taking mood medications
  • May cause drowsiness

Nutrient quality

93 Highest impact

Controlled-release technology provides a superior way to deliver 100 mg of 5-HTP for steady neurotransmitter support. The inclusion of dicalcium phosphate aids in the formulation of the sustained-release caplet while providing minor mineral support.

Ingredient transparency

100 Highest impact

Explicit labeling for the 5-HTP and calcium amounts provides full clarity regarding the supplement's active components. Disclosure of the time-release nature and the botanical source ensures that consumers are fully informed about how the product works.

Customer satisfaction

92 Highest impact

High average ratings and a substantial review count suggest that users find the timed-release delivery highly effective. Positive feedback regarding improved sleep latency and duration highlights the functional benefits of the sustained-release format.

Value for money

88 Highest impact

A price of $0.34 per serving is reasonable given the specialized timed-release technology and the high-quality botanical extract used. The sustained delivery benefits and reliable results reported by users provide good value for this premium format.

Report analysis

Goals

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

Sustained-release technology allows for the gradual delivery of 5-HTP, which may help maintain steady serotonin levels throughout the night. This approach appears well-aligned for those seeking to improve both sleep onset and the maintenance of rest cycles.

Providing a standard dose of plant-derived 5-HTP without complex multi-ingredient interactions ensures a focused biological effect. The time-release format also helps minimize potential digestive discomfort often associated with standard amino acid supplements.

View goal →
Impact
Highest effect
A Goal FitA+ Strength of SupportC CoverageA Formula Quality

Utilizing time-release technology for 100mg of 5-Hydroxytryptophan supports consistent serotonin levels throughout the day and may improve digestive tolerance. Sourced from Griffonia simplicifolia, this serving provides a standard dose for maintaining emotional balance and resilience.

Providing a single, focused active ingredient in a sustained-release format is a practical approach for those sensitive to standard delivery. This formulation appears well-aligned for steady, long-term mood support without the use of multiple stimulants or sedatives.

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

5-HTP is delivered in a 100 mg time-release caplet format to support sustained appetite management and satiety throughout the day. This gradual delivery method is intended to maintain steady serotonin levels and reduce the hunger spikes that can derail weight loss plans.

Increased serotonin availability supports more consistent dietary habits and help manage cravings for carbohydrate-rich foods. Natural Griffonia simplicifolia ensures a reliable botanical source in a specialized delivery format designed for steady metabolic availability.

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

Sustained-release technology provides a steady 100 mg dose of 5-HTP, supporting balanced serotonin levels and emotional resilience. Naturally derived from Griffonia seed, this delivery method helps maintain a calm state while reducing the risk of digestive upset.

Standardized extract ensures reliable potency, and the inclusion of calcium provides minor mineral support. The time-release caplet is ideal for individuals seeking consistent support throughout the day for managing the effects of daily pressure.

View goal →

Ingredients

IngredientAmount per serving
Calcium (Dicalcium Phosphate)
70 mg
5-HTP (Griffonia simplicifolia)
100 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value
Sustained-release technology is used to deliver a standard dose of 5-HTP derived from Griffonia simplicifolia. This approach may help maintain steady levels while reducing potential digestive discomfort.
Report alternatives