Sleep Science®, NutraSleep™, 100 Tablets
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Niacin (as niacinamide) | 10 mg | 63% |
| Vitamin B-6 (as pyridoxine HCl) | 2 mg | 118% |
| Calcium (as calcium citrate & calcium carbonate) | 255 mg | 20% |
| Magnesium (as magnesium citrate & magnesium oxide) | 440 mg | 105% |
| Taurine | 875 mg | † |
| Inositol | 700 mg | † |
| GABA (gamma-aminobutyric acid) | 600 mg | † |
| Skullcap Aerial Parts | 250 mg | † |
| Passionflower Aerial Parts Extract | 200 mg | † |
| Valerian Root | 200 mg | † |
| Chamomile Flower Extract | 100 mg | † |
Bioavailability Good
Absorption Rating
- Niacin (as niacinamide) Good
- Vitamin B-6 (as pyridoxine HCl) Fair
- Calcium (as calcium citrate & calcium carbonate) Fair
- Magnesium (as magnesium citrate & magnesium oxide) Good
- Taurine Good
- Inositol Good
- GABA (gamma-aminobutyric acid) Poor
- Skullcap Aerial Parts Fair
- Passionflower Aerial Parts Extract Fair
- Valerian Root Fair
- Chamomile Flower Extract Fair
Other Ingredients Excellent
Fillers & Additives
- Stearic Acid
- Microcrystalline Cellulose
- Modified Cellulose Gum
- Magnesium Stearate
Efficacy Poor
Dosage Analysis
- Niacin (as niacinamide) 10 mg Under-dosed
- Vitamin B-6 (as pyridoxine HCl) 2 mg Effective
- Calcium (as calcium citrate & calcium carbonate) 255 mg Under-dosed
- Magnesium (as magnesium citrate & magnesium oxide) 440 mg High
- Taurine 875 mg Effective
- Inositol 700 mg Under-dosed
- GABA (gamma-aminobutyric acid) 600 mg High
- Skullcap Aerial Parts 250 mg Under-dosed
- Passionflower Aerial Parts Extract 200 mg Under-dosed
- Valerian Root 200 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Calories | 15 | |
| Total Fat | 1 g | 1%* |
| Saturated Fat | 1 g | 5%* |
| Total Carbohydrate | 1 g | <1%* |
| Dietary Fiber | 1 g | 4%* |
| Niacin (as niacinamide) | 10 mg | 63% |
| Vitamin B-6 (as pyridoxine HCl) | 2 mg | 118% |
| Calcium (as calcium citrate & calcium carbonate) | 255 mg | 20% |
| Magnesium (as magnesium citrate & magnesium oxide) | 440 mg | 105% |
| Sodium | 20 mg | 1% |
| Taurine | 875 mg | † |
| Inositol | 700 mg | † |
| GABA (gamma-aminobutyric acid) | 600 mg | † |
| Skullcap Aerial Parts | 250 mg | † |
| Passionflower Aerial Parts Extract | 200 mg | † |
| Valerian Root | 200 mg | † |
| Chamomile Flower Extract | 100 mg | † |
Other Ingredients
Price Comparison
Price History
Tracked across major retailers. Updated periodically.
Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.
Is Source Naturals Sleep Science®, NutraSleep™ a good supplement?
Source Naturals Sleep Science®, NutraSleep™, 100 Tablets received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 17 active ingredients with 25 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.
What are the ingredients in Source Naturals Sleep Science®, NutraSleep™?
Source Naturals Sleep Science®, NutraSleep™ contains 17 active ingredients: Calories (15), Total Fat (1 g), Saturated Fat (1 g), Total Carbohydrate (1 g), Dietary Fiber (1 g), Niacin (as niacinamide) (10 mg), and 11 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Source Naturals Sleep Science®, NutraSleep™ safe to take?
Source Naturals Sleep Science®, NutraSleep™, 100 Tablets 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 Source Naturals a trustworthy supplement brand?
Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.
Scan Any Supplement Instantly
Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.