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Twinlab Magnesium Caps 400mg, 200 Capsules

4.6 out of 5 stars 207 customer reviews
| 9 answered questions
About the product
  • 1 capsule per day
  • Contains 100% of your daily Magnesium value
  • Manufactured in the USA

Frequently bought together

  • Twinlab Magnesium Caps 400mg, 200 Capsules
  • +
  • Twinlab Potassium Citrate Caps 99 mg 180 Caps
  • +
  • Twinlab C-1000 Capsules, 1000mg 250 capsules
Total price: $47.59
Buy the selected items together

Product description

Size:400 mg

Magnesium is an essential mineral for calcium and potassium assimilation, and helps support proper nerve muscle impulses, enzyme reactions, formation of bone and carbohydrate metabolism. Magnesium Caps provide a natural, magnesium supplement with 400 mg, or 100% of the daily value, of magnesium.


Product details

Size: 400 mg
  • Product Dimensions: 6 x 5 x 4 inches ; 14.1 ounces
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B003DIB8FC
  • UPC: 027434010238 129600997135 885176456048 631113227598 731646348835
  • Item model number: S0321364N
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (207 customer reviews)
  • Amazon Best Sellers Rank: #5,105 in Health & Household (See Top 100 in Health & Household)

Important information

Legal Disclaimer
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

on April 10, 2017
Size: 400 mg|Verified Purchase
0Comment| 5 people found this helpful. Was this review helpful to you?YesNoReport abuse
on January 13, 2016
Size: 400 mg|Verified Purchase
11 comment| 7 people found this helpful. Was this review helpful to you?YesNoReport abuse
on August 17, 2011
Size: 200|Verified Purchase
0Comment| 16 people found this helpful. Was this review helpful to you?YesNoReport abuse
on June 20, 2016
Size: 400 mg|Verified Purchase
0Comment| 4 people found this helpful. Was this review helpful to you?YesNoReport abuse
on April 3, 2017
Size: 400 mg|Verified Purchase
0Comment|Was this review helpful to you?YesNoReport abuse
VINE VOICEon August 12, 2014
Size: 400 mg|Verified Purchase
0Comment| 4 people found this helpful. Was this review helpful to you?YesNoReport abuse
on December 14, 2016
Size: 400 mg|Verified Purchase
0Comment|Was this review helpful to you?YesNoReport abuse
on December 8, 2016
Size: 400 mg|Verified Purchase
0Comment| 2 people found this helpful. Was this review helpful to you?YesNoReport abuse

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Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.