Swanson Magnesium Citrate, 240 Tablets supplement bottle
Swanson

Magnesium Citrate, 240 Tablets

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 6 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
100
Product Score Excellent
90
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (from magnesium citrate) 225 mg 54%
Bioavailability Excellent

Absorption Rating

  • Magnesium (from magnesium citrate) Good
Other Ingredients Excellent

Fillers & Additives

  • Stearic Acid
  • Magnesium Stearate
  • Croscarmellose Sodium
  • Hydroxypropyl Methylcellulose
  • Calcium Carbonate
  • Talc and polyethylene glycol
Efficacy Excellent

Dosage Analysis

  • Magnesium (from magnesium citrate) 225 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (from magnesium citrate) 225 mg 54%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Talc and polyethylene glycol Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$18$17$16$15$14 Mar 12 $16.49
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
Swanson

Founded 1969 · Fargo, North Dakota, United States · 994 products · swansonvitamins.com

Certifications

6 certifications
Consumerlab Verified
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Npa Gmp Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

6 incidents
Recall Vitamin B12 Methylcobalamin High Absorption2022-03-04Source
Lawsuit Website not accessible to blind individuals, violating the Americans with Disabilities Act (ADA).2019Source
Prop 65 Lead2015-11-03Source
Recall Swanson Premium Brand Full Spectrum Cilantro (Coriander)2014-04-04Source
Recall Swanson Organic Celery Seed (Whole)2011-12-16Source
Fda Warning Products contained an unauthorized drug (lovastatin) and were marketed with claims to treat high cholesterol, rendering them unapproved new drugs.2007-08-08Source
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Frequently Asked Questions
Is Swanson Magnesium Citrate, 240 Tablets a good supplement?

Swanson Magnesium Citrate, 240 Tablets 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 with 120 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Swanson, holds a brand trust score of 90/100 with 6 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Npa Gmp.

What are the ingredients in Swanson Magnesium Citrate, 240 Tablets?

Swanson Magnesium Citrate, 240 Tablets contains 1 active ingredients: Magnesium (from magnesium citrate) (225 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Swanson Magnesium Citrate, 240 Tablets safe to take?

Swanson Magnesium Citrate, 240 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 Swanson a trustworthy supplement brand?

Swanson receives a brand trust score of 90/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1969 and headquartered in Fargo, North Dakota, United States, the company offers 994 products in their lineup. They hold 6 verified certifications including Consumerlab, Nsf Gmp, Fda Gmp Inspections, Npa Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Swanson has 6 historical regulatory incidents on record, which are factored into the trust score.

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.

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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.