Michael's Health Sleep Factors, 90 Vegan Capsules supplement bottle
Michael's Health

Sleep Factors, 90 Vegan Capsules

What We Researched
5 active ingredients analyzed · 3 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
72
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (as Calcium Citrate) 200 mg 15%
Magnesium (as Magnesium Citrate) 200 mg 48%
5-HTP (5-Hydroxytryptophan)(Griffonia simplicifolia) (Seed) 100 mg *
GABA(Gamma Amino Butyric Acid) 50 mg *
Melatonin 10 mcg *
Bioavailability Good

Absorption Rating

  • Calcium (as Calcium Citrate) Good
  • Magnesium (as Magnesium Citrate) Good
  • 5-HTP (5-Hydroxytryptophan)(Griffonia simplicifolia) (Seed) Good
  • GABA(Gamma Amino Butyric Acid) Poor
  • Melatonin Fair
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Microcrystalline Cellulose
  • Leucine
Efficacy Poor

Dosage Analysis

  • Calcium (as Calcium Citrate) 200 mg Under-dosed
  • Magnesium (as Magnesium Citrate) 200 mg Effective
  • 5-HTP (5-Hydroxytryptophan)(Griffonia simplicifolia) (Seed) 100 mg Under-dosed
  • GABA(Gamma Amino Butyric Acid) 50 mg Under-dosed
  • Melatonin 10 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calcium (as Calcium Citrate) 200 mg 15%
Magnesium (as Magnesium Citrate) 200 mg 48%
5-HTP (5-Hydroxytryptophan)(Griffonia simplicifolia) (Seed) 100 mg *
GABA(Gamma Amino Butyric Acid) 50 mg *
Melatonin 10 mcg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Leucine Safe

It is used for its potential muscle-building and recovery benefits.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$31$30$29$28$27 Mar 12 $29.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Michael's Health

Founded 1984 · San Antonio, Texas, USA · 85 products · michaelshealth.com/

Transparency

1 claim

Violation History

1 incident
Recall Cholesterol Metabolism Factors™2016-06-23Source
Related Supplements
Frequently Asked Questions
Is Michael's Health Sleep Factors, 90 Vegan Capsules a good supplement?

Michael's Health Sleep Factors, 90 Vegan Capsules received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients with 30 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives.

What are the ingredients in Michael's Health Sleep Factors, 90 Vegan Capsules?

Michael's Health Sleep Factors, 90 Vegan Capsules contains 5 active ingredients: Calcium (as Calcium Citrate) (200 mg), Magnesium (as Magnesium Citrate) (200 mg), 5-HTP (5-Hydroxytryptophan)(Griffonia simplicifolia) (Seed) (100 mg), GABA(Gamma Amino Butyric Acid) (50 mg), Melatonin (10 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Michael's Health Sleep Factors, 90 Vegan Capsules safe to take?

Michael's Health Sleep Factors, 90 Vegan Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.