NOW NOW Supplements, Magnesium Bisglycinate Powder, Enzyme Function, Nervous System Support, 227g supplement bottle
NOW

NOW Supplements, Magnesium Bisglycinate Powder, Enzyme Function, Nervous System Support, 227g

What We Researched
1 active ingredient analyzed · 1 inactive ingredient decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (from Magnesium Bisglycinate)(TRAACS) 250 mg
Bioavailability Excellent

Absorption Rating

  • Magnesium (from Magnesium Bisglycinate)(TRAACS) Good
Other Ingredients Excellent

Fillers & Additives

  • Citric Acid
Efficacy Excellent

Dosage Analysis

  • Magnesium (from Magnesium Bisglycinate)(TRAACS) 250 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (from Magnesium Bisglycinate)(TRAACS) 250 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$26$25$24$23$22 Mar 12 $24.44
Amazon_Ca

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

Brand Trust Report
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is NOW NOW Supplements, Magnesium Bisglycinate Powder a good supplement?

NOW NOW Supplements, Magnesium Bisglycinate Powder, Enzyme Function, Nervous System Support, 227g received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW NOW Supplements, Magnesium Bisglycinate Powder?

NOW NOW Supplements, Magnesium Bisglycinate Powder contains 1 active ingredients: Magnesium (from Magnesium Bisglycinate)(TRAACS) (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW NOW Supplements, Magnesium Bisglycinate Powder safe to take?

NOW NOW Supplements, Magnesium Bisglycinate Powder, Enzyme Function, Nervous System Support, 227g has been analyzed for ingredient safety across all its components. All 1 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.

Is NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. 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.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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.