Sleep Support
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Magnesium (as Magnesium Oxide) | 105 mg | 25% |
| Valerian Root Extract | 200 mg | † |
| Ashwagandha Leaf, Root Extract (as Withania somnifera Leaf Extract, Withania somnifera Root Extract) | 120 mg | † |
| Gamma Aminobutyric Acid | 100 mg | † |
| Griffonia seed extract | 50.5 mg | † |
Bioavailability Fair
Absorption Rating
- Magnesium (as Magnesium Oxide) Poor
- Valerian Root Extract Good
- Ashwagandha Leaf, Root Extract (as Withania somnifera Leaf Extract, Withania somnifera Root Extract) Good
- Gamma Aminobutyric Acid Poor
- Griffonia seed extract Fair
Other Ingredients Excellent
Fillers & Additives
- Gelatin
- Hydroxypropylmethylcellulose
- Magnesium Stearate
- Silicon Dioxide
Efficacy Poor
Dosage Analysis
- Magnesium (as Magnesium Oxide) 105 mg Under-dosed
- Valerian Root Extract 200 mg Under-dosed
- Ashwagandha Leaf, Root Extract (as Withania somnifera Leaf Extract, Withania somnifera Root Extract) 120 mg Under-dosed
- Gamma Aminobutyric Acid 100 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Magnesium (as Magnesium Oxide) | 105 mg | 25% |
| Valerian Root Extract | 200 mg | † |
| Ashwagandha Leaf, Root Extract (as Withania somnifera Leaf Extract, Withania somnifera Root Extract) | 120 mg | † |
| Gamma Aminobutyric Acid | 100 mg | † |
| Griffonia seed extract | 50.5 mg | † |
Other Ingredients
Price Comparison
Price History
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Transparency
3 claims
Is GNC Preventive Nutrition Sleep Support a good supplement?
GNC Preventive Nutrition Sleep Support received a product quality score of 68/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients with 30 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, GNC Preventive Nutrition, holds a brand trust score of 59/100.
What are the ingredients in GNC Preventive Nutrition Sleep Support?
GNC Preventive Nutrition Sleep Support contains 5 active ingredients: Magnesium (as Magnesium Oxide) (105 mg), Valerian Root Extract (200 mg), Ashwagandha Leaf, Root Extract (as Withania somnifera Leaf Extract, Withania somnifera Root Extract) (120 mg), Gamma Aminobutyric Acid (100 mg), Griffonia seed extract (50.5 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is GNC Preventive Nutrition Sleep Support safe to take?
GNC Preventive Nutrition Sleep Support has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is GNC Preventive Nutrition a trustworthy supplement brand?
GNC Preventive Nutrition receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 53 products in their lineup.
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