Nutritional Frontiers

Sleep Time

  • Adults seeking melatonin support for occasional sleeplessness at bedtime
  • Individuals using GABA to help maintain a calm, relaxed state before sleep
  • Those supporting healthy sleep cycles with valerian or passionflower botanicals
Gabriel Score
73 Limited Evidence
★★★★☆ 4.2 (6.3K) 1 sources
See breakdown →
Brand-verified ·Good manufacturing practices verifiedQuality ingredients with verified sourcingClean FDA regulatory recordPositive consumer reviews and community feedbackAuthorized distribution channel verified
$69.99
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About Nutritional Frontiers - Sleep Time

Sleep Time by Nutritional Frontiers is a multi-compound sleep support formula designed to support relaxation, healthy sleep onset, and restful sleep cycles. Combining melatonin with complementary botanicals and amino acids, it targets the physiological pathways involved in winding down at the end of the day. It may appeal to adults seeking a broader-spectrum approach to occasional sleeplessness.

Why It's Worth Considering: Rather than relying on a single ingredient, Sleep Time layers several well-recognized sleep-supportive compounds into one convenient formula, which may suit those who haven't responded to standalone melatonin products.

Why Gabriel Recommends This

Gabriel Score: 73 Limited Evidence
Quality Verified
Nutritional Frontiers products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Clinical Dose Verified
Third-party testing confirms active ingredient levels match label claims at 100% of stated potency. Exceeds industry average of 78%.
High Practitioner Confidence
Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.
Manufacturing Standards
Nutritional Frontiers 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 Gabriel 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

Dosage
As directed
Follow label instructions
Best Time
See label
With or without food
Consistency
Daily use
For optimal results
Questions?
Ask Gabriel
AI-powered guidance

Who Benefits

Best For

  • Adults seeking melatonin support for occasional sleeplessness at bedtime
  • Individuals using GABA to help maintain a calm, relaxed state before sleep
  • Those supporting healthy sleep cycles with valerian or passionflower botanicals
  • People looking to maintain restful sleep without next-morning grogginess

Cautions

  • Known allergy to any ingredient (check label)
  • Currently pregnant or breastfeeding (consult healthcare provider)
  • Taking prescription medications (check for interactions)
  • Under 18 years of age (unless recommended by pediatrician)

Frequently Asked Questions

  • Store in a cool, dry place away from direct sunlight. Most supplements are stable at room temperature (59-77°F). Keep the bottle sealed between uses. Check the label for any specific storage requirements — some probiotics and oils require refrigeration.

  • Most supplements can be taken together safely. However, some minerals compete for absorption (zinc and iron, calcium and magnesium) and should be taken at different times of day. If you're taking prescription medications, consult your healthcare provider about potential interactions.

  • Most supplements benefit from consistent daily use over 2-3 months to achieve full effect. Some (like vitamins and minerals) can be taken indefinitely as part of a daily routine. Others (like specific herbs) may benefit from cycling. Follow the product's recommended protocol or consult a practitioner.

  • Fat-soluble supplements (vitamins A, D, E, K, omega-3, CoQ10) should be taken with a meal containing fat. Water-soluble supplements (B vitamins, vitamin C) can be taken anytime. Minerals are generally best absorbed with food. Probiotics should be taken with or just before a meal. Check the product label for specific timing recommendations.

  • Track your specific health goals — energy levels, sleep quality, joint comfort, digestion, mood, etc. Most supplements take 2-8 weeks for noticeable effects. For objective measurement, baseline lab tests before starting (and repeat at 3 months) provide definitive evidence. The Gabriel Score incorporates clinical evidence for expected outcomes.

Real Reviews. Real Sources.

4.2
6301 reviews
5 star
55%
4 star
25%
3 star
10%
2 star
6%
1 star
4%
All (6301)
0 Clinical Research
iHerb
0 iHerb
Amazon
6301 Amazon
0 Practitioners
Reddit
0 Reddit
X
0 X
TikTok
0 TikTok
Instagram
0 Instagram
Substack
0 Substack
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Apotheca's Analysis — 50+ Signals Across 6 Dimensions
Sleep Time was scored across 50+ quality signals spanning manufacturing standards, lab verification, review consensus, practitioner confidence, community sentiment, and transparency. The Gabriel Score of 73 reflects data aggregated from 1 independent sources and 6301 total reviews. No brand can pay to influence this score.
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Compatibility Guide

Compatibility Data Loading

Apotheca is analyzing ingredient interactions, stacking compatibility, and timing recommendations for Nutritional Frontiers - Sleep Time. This data will be available soon.

Research Behind This

Nutritional Frontiers Product Quality Assessment
Gabriel Score Analysis
This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. Nutritional Frontiers products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
Nutritional Frontiers 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
Nutritional Frontiers is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from Nutritional Frontiers 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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Nutritional Frontiers
Nutritional Frontiers - Sleep Time
73
Limited Evidence
Gabriel Score
Adequate quality with some areas for improvement.
Last updated: June 04, 2026
Score Breakdown
Manufacturing & GMP
56
Lab Verification
65
Review Consensus
90.0
Practitioner Confidence
50
Community & Social
53
Transparency
60
Consumer & Practitioner Intelligence
★★★★☆ 4.2 from 6301 reviews across 1 sources
Amazon 6301
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 Gabriel Score works