NOW Foods

5-HTP 100mg 120 capsules

Capsules

  • Brand Trust · 72% of verified reviews
  • Value · 78% of verified reviews
  • Quality · 75% of verified reviews
  • Availability · 60% of verified reviews
★★★★☆ 4.6 (10.7K) 4 sources
See breakdown →
Manufacturing57
Lab Verification70
Review Consensus100.0
Brand-verified ·Good manufacturing practices verifiedQuality ingredients with verified sourcingClean FDA regulatory recordPositive consumer reviews and community feedbackAuthorized distribution channel verified
Referenced by  Chris Masterjohn, PhD  →
$31.99
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In stock · Free shipping on orders over $99

Ingredients & product label

The complete ingredient list and product label have not yet been published for this item. Please check the manufacturer’s label or contact us before ordering if you need to confirm an ingredient or allergen.

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About NOW Foods - 5-HTP 100mg 120 capsules

NOW Foods 5-HTP 100mg delivers 5-hydroxytryptophan, a naturally occurring amino acid precursor to serotonin, sourced from Griffonia simplicifolia seed extract. It supports healthy mood balance, relaxation, and restful sleep patterns for adults looking to maintain emotional well-being.

Why It's Worth Considering: Each capsule provides a straightforward 100mg dose without unnecessary additives, from a brand with a long track record in quality-controlled manufacturing and third-party testing.

Why Gabriel Recommends This

Quality & Trust Score: 82 Moderate Evidence
Quality Verified
NOW Foods products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Label details
Ingredient amounts and serving sizes are shown in the product label section when supplier information is available.
High Practitioner Confidence
Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.
Manufacturing Standards
NOW Foods maintains GMP-certified manufacturing. Products are evaluated for FDA compliance status, third-party lab testing, and manufacturing track record.
Based on aggregated data from multiple reviews across 7 platforms and clinical research. How the Quality & Trust Score works →
Recommendation generated by Gabriel AI based on publicly available practitioner commentary and quality data. Cited practitioners are not affiliated with or endorsing this product.

How to Take

Follow the directions on the label. Product-specific guidance hasn't been published for this item yet.
Ask Gabriel about timing & dosing →

Real Reviews. Real Sources.

4.6
10715 reviews
5 star
75%
4 star
15%
3 star
5%
2 star
3%
1 star
2%
All (10715)
0 Clinical Research
iHerb
0 iHerb
Amazon
10687 Amazon
1 Practitioners
Reddit
17 Reddit
X
10 X
TikTok
0 TikTok
Instagram
0 Instagram
Substack
0 Substack
10.7K ratings aggregated across 4 sources · full-text reviews below
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Apotheca's Analysis · 50+ Signals Across 6 Dimensions
NOW Foods is generally well-regarded for quality and value, though counterfeit products on Amazon raise authenticity concerns.
Brand Trust
72%
Value
78%
Quality
75%
Availability
60%
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Compatibility Guide

Compatibility Data Loading

Apotheca is analyzing ingredient interactions, stacking compatibility, and timing recommendations for NOW Foods - 5-HTP 100mg 120 capsules. This data will be available soon.

Research Behind This

NOW Foods Product Quality Assessment
Quality & Trust Score Analysis
This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. NOW Foods products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
NOW Foods is referenced across our practitioner network of clinical recommendations, YouTube health channels, and professional forums. Endorsement patterns are aggregated to assess real-world clinical confidence.

Practitioner Insights

Who This Is For

✓ Great For

Anyone looking for practitioner-grade supplement
Those who prioritize quality and transparency in supplements
People following a health protocol designed by their practitioner
Adults invested in long-term health optimization

⚠ Important Notes

Always consult your healthcare provider before starting any supplement
Check for interactions with current medications
If pregnant or nursing, seek professional guidance first
Compare options using Apotheca's AI to find the best fit for your goals
NOW Foods is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from NOW Foods is evaluated across 50+ quality signals including manufacturing standards, ingredient sourcing, third-party testing, and clinical evidence.
Gabriel VerifiedQuality Analyzed

† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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NOW Foods
NOW Foods - 5-HTP 100mg 120 capsules
Quality & Trust Score
Strong quality signals. Meets recommended thresholds across most pillars.
Last updated: September 08, 2026
Score Breakdown
Manufacturing & GMP
57
Lab Verification
70
Review Consensus
100.0
Practitioner Confidence
63.0
Community & Social
60
Transparency
53
Consumer & Practitioner Intelligence
★★★★☆ 4.6 from 10715 reviews across 4 sources
Practitioner Data 1Amazon 10687Community 27+
Aggregated from verified purchases, practitioner clinical notes, and real-world outcome data
Scored across 50+ quality dimensions from 15+ independent databases. No brand can pay to influence their score. No sponsored rankings. Ever.
See how this product scores against your health profile · How the Quality & Trust Score works