NOW Foods Supplements, Magnesium 400 mg, Enzyme Function*, Nervous System Support*, 180 Veg Capsules

Price: $13.90
(as of Jun 24, 2026 21:50:55 UTC – Details)


Magnesium is a mineral that is critical for energy production and metabolism, muscle contraction, nerve impulse transmission, and bone mineralization. It is a required cofactor for an estimated 300 enzymes. Among the reactions catalyzed by these enzymes are fatty acid synthesis, protein synthesis, and glucose metabolism. Magnesium status is also important for regulation of calcium balance through its effects on the parathyroid gland. Natural color variation may occur in this product.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 2.81 x 2.81 x 5.13 inches; 6.35 ounces
Item model number ‏ : ‎ 1283
Date First Available ‏ : ‎ April 27, 2011
Manufacturer ‏ : ‎ NOW Sports – Nutrition and Wellness
ASIN ‏ : ‎ B00CPJEGMW
Best Sellers Rank: #6,476 in Health & Household (See Top 100 in Health & Household) #133 in Magnesium Mineral Supplements #645 in Diet & Sports Nutrition
Customer Reviews: 4.7 4.7 out of 5 stars (13,973) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
SUPPORTS ENERGY PRODUCTION: Magnesium is a mineral that is critical for energy production and metabolism, muscle contraction, nerve impulse transmission, and bone mineralization.
CRITICAL FOR ENZYME FUNCTION: It is a required cofactor for an estimated 300 enzymes. Among the reactions catalyzed by these enzymes are fatty acid synthesis, protein synthesis, and glucose metabolism.
CLASSIFICATIONS/CERTIFICATIONS: Kosher, Vegan, Soy Free, Keto Friendly, Non-GMO, Halal
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
Packaged in the USA by a family owned and operated company since 1968.

Product summary

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