Klaire Labs/SFI Health

Melatonin Lozenge

Lozenges · 60 lozenges · 60 servings · $0.18/serving

  • Adults seeking melatonin support for occasional sleeplessness
  • Frequent travelers using melatonin to support healthy jet lag recovery
  • Practitioners protocols requiring sublingual melatonin lozenge delivery
  • Effectiveness · 35% of verified reviews
Quality & Trust Score
84 Strong Evidence
★★★★☆ 4.6 (252) 8 sources
See breakdown →
Manufacturing55
Lab Verification78
Review Consensus95.4
Brand-verified ·Good manufacturing practices verifiedQuality ingredients with verified sourcingClean FDA regulatory recordPositive consumer reviews and community feedbackAuthorized distribution channel verified
Referenced by  A Midwestern Doctor, Dr. Joseph Mercola & Sayer Ji + 8 more →
$10.99
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Ingredients & product label

Serving Size:
1 Lozenge

Amount Per Serving:

Melatonin ... 1 mg

Other Ingredients:
Mannitol, stearic acid, citric acid, silicon dioxide, natural cherry flavor, croscarmellose sodium, and magnesium stearate.

Warning: May cause drowsiness. Do not use melatonin while operating a motor vehicle or machinery. Unless instructed by your healthcare professional, do not use melatonin if you have a seizure disorder, autoimmune disorder, endocrine disorder, or diabetes; if you are pregnant, trying to become pregnant, or are breastfeeding; or if you are taking any medications. Keep out of reach of children.

Label directions

Adults: 1 lozenge daily as needed for sleep or as directed by a healthcare professional. Dissolve in the mouth, or chew if desired.

Children: As directed by a healthcare professional.

Ingredient information is provided above. A clear label image is not available yet.

View original supplier image (quality may be limited)

Source: Fullscript supplier catalog · September 06, 2026. Formulas and labels can change. Check the packaging you receive.

About Klaire Labs/SFI Health - Melatonin Lozenge

Klaire Labs' Melatonin Lozenge delivers melatonin in a sublingual lozenge format, allowing the compound to absorb directly through the oral mucosa rather than passing through the digestive tract first. Formulated by a practitioner-grade brand long recognized for clean, hypoallergenic ingredient profiles, it supports healthy sleep onset and helps maintain normal circadian rhythm patterns in adults.

Why It's Worth Considering: The sublingual lozenge delivery method may support faster melatonin availability compared to standard capsules or tablets, making it a practical option for those who need timely sleep support.

Why Gabriel Recommends This

Quality & Trust Score: 84 Strong Evidence
Quality Verified
Klaire Labs/SFI Health 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
Klaire Labs/SFI Health 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

Adults: 1 lozenge daily as needed for sleep or as directed by a healthcare professional. Dissolve in the mouth, or chew if desired.

Children: As directed by a healthcare professional.

Who Benefits

Best For

  • Adults seeking melatonin support for occasional sleeplessness
  • Frequent travelers using melatonin to support healthy jet lag recovery
  • Practitioners protocols requiring sublingual melatonin lozenge delivery
  • Shift workers supporting circadian rhythm balance with melatonin

Cautions

  • Autoimmune conditions (melatonin stimulates immune activity)
  • Depression (may worsen in some individuals)
  • Taking blood thinners or blood pressure medications
  • Children under 3 (consult pediatrician)

What to Expect

1
Day 1
Immediate Effect
Faster sleep onset (20-30 min)
2
Day 1–7
Rhythm Reset
Circadian clock begins recalibrating
3
Week 2–4
Consistent Sleep
Reliable sleep-wake pattern established
4
Month 1+
Maintenance
Use lowest effective dose or cycle periodically
Based on melatonin supplementation research. Works best as a circadian rhythm signal, not a sedative.

Frequently Taken Together

Pure Encapsulations - Magnesium (Glycinate)
Sleep Stack
Magnesium Glycinate
Melatonin signals 'time to sleep' while magnesium glycinate promotes muscle relaxation and GABA activity. The definitive sleep stack.
Pure Encapsulations - Magnesium (Glycinate)
$46.99
Pure Encapsulations - L-Theanine
Calm Without Sedation
L-Theanine
L-theanine reduces pre-sleep anxiety and racing thoughts via alpha brain waves, complementing melatonin's circadian signal.
Pure Encapsulations - L-Theanine
$65.99
Thorne - Glycine
Sleep Quality
Glycine
Glycine lowers core body temperature (a sleep trigger) and improves sleep quality and next-day alertness. Different mechanism than melatonin.
Thorne - Glycine
$31.99

Frequently Asked Questions

  • Start with 0.3-0.5mg, this is the physiological dose that mimics natural production. Most supplements are dosed at 3-10mg which is 10-30x the physiological amount. Higher is NOT better, studies show 0.3mg is often more effective than 3mg because excess melatonin can cause morning grogginess and disrupt the receptor sensitivity.

  • Short-term use (up to 3 months) is well-established as safe. Long-term nightly use is common but some practitioners recommend periodic breaks (5 nights on, 2 off) to maintain receptor sensitivity. Melatonin does not cause dependence, your body still produces its own. However, addressing the root cause of insomnia (light exposure, stress, caffeine timing) is always preferred.

  • You're likely taking too much. The most common mistake is using 3-10mg when 0.3-1mg is sufficient. Melatonin is a circadian signal, not a sedative, excess stays in your system and causes morning drowsiness. Try cutting your dose in half. Also, take it 30-60 minutes before bed, not right at bedtime.

  • Yes, this is one of melatonin's best-studied uses. Take 0.5-3mg at the destination's bedtime for 3-5 days after arrival. For eastward travel (harder adjustment): start taking melatonin at destination bedtime 1-2 days before departure. For westward: take melatonin only upon arrival.

Real Reviews. Real Sources.

4.6
252 reviews
5 star
75%
4 star
15%
3 star
5%
2 star
3%
1 star
2%
All (252)
10 Clinical Research
iHerb
0 iHerb
Amazon
69 Amazon
11 Practitioners
Reddit
47 Reddit
X
30 X
TikTok
30 TikTok
Instagram
30 Instagram
Substack
5 Substack
252 ratings aggregated across 8 sources · full-text reviews below
Sort by:
Apotheca's Analysis · 50+ Signals Across 6 Dimensions
Sentiment is broadly skeptical; many find melatonin ineffective or problematic, with notable interest in microdosing and proper timing over high doses.
Effectiveness
35%
Dosing
52%
Side Effects
28%
Sleep Quality
38%
Loading reviews...

Compatibility Guide

Works Well With

Ask Gabriel for personalized stacking recommendations.

Take Separately From

No significant interactions identified. Always consult your healthcare provider.

Research Behind This

Klaire Labs/SFI Health 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. Klaire Labs/SFI Health products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
Klaire Labs/SFI Health 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
Klaire Labs/SFI Health is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from Klaire Labs/SFI Health 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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Klaire Labs/SFI Health
Klaire Labs/SFI Health - Melatonin Lozenge
84
Strong Evidence
Quality & Trust Score
Strong quality signals. Meets recommended thresholds across most pillars.
Last updated: September 08, 2026
Score Breakdown
Manufacturing & GMP
55
Lab Verification
78
Review Consensus
95.4
Practitioner Confidence
55.0
Community & Social
57
Transparency
72
Consumer & Practitioner Intelligence
★★★★☆ 4.6 from 252 reviews across 8 sources
Clinical Research 30Practitioner Data 11Amazon 69Community 142+
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