Hero image 0 of NOW Supplements, Magnesium 400 mg, Enzyme Function*, Nervous System Support*, 180 Veg Capsules, 0 of 8
NOW Supplements, Magnesium 400 mg, Enzyme Function*, Nervous System Support*, 180 Veg Capsules
Key item features
- 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.
Specs
- Primary ingredientMagnesium
- Count180
- Dosage1 Veg Capsule
- Ingredient preferenceSoy-Free
- Product usage frequencyDaily
- Age groupAdult
Reviews summary
Pros
- : Offers lower cost compared to similar stores.
- : Made with high-strength capsules.
Generated by AI
Current price is USD$17.9510.0 ¢/ea
Price when purchased online
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Columbus, 43215
Arrives by Tue, Feb 3
.Order within 3 hr 49 min
Sold by Allnature International Inc.
Fulfilled by Walmart
4.494142705005324 stars out of 5, based on 940 seller reviews(4.5)940 seller reviews
Free 90-day returns
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Starting from $17.99
About this item
Product details
Supports Energy Production* Critical for Enzyme Function* 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.
- 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.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Primary ingredient
Magnesium
Count
180
Dosage
1 Veg Capsule
Ingredient preference
Soy-Free
Indications
Health Concern
Circulatory Health Bone & Joint Health
Directions
Dosage
1 Veg Capsule
Instructions
Take 1 capsule daily. Store in a cool, dry place after opening.
Warranty
Warranty information
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Ingredients
Ingredients
Supplement FactsServing Size:1 Veg CapsuleServings Per Container:180DescriptionAmount per Serving% Daily ValueMagnesium (elemental) (from Magnesium Oxide, Magnesium Citrate and Magnesium Aspartate) 400 mg 95% Other Ingredients: Hypromellose (cellulose capsule), Microcrystalline Cellulose, Stearic Acid (vegetable source) and Silicon Dioxide. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens. Caution: For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. Natural color variation may occur in this product. Made and quality tested in the USA with globally sourced ingredients. Store in a cool, dry place after opening. Family owned since 1968. This bottle is made from 100% PCR (post-consumer recycled) resin.
Active Ingredient Name
Other Ingredients: Hypromellose (Cellulose Capsule), Microcrystalline Cellulose, Stearic Acid (Vegetable Source) and Silicon Dioxide.
Warnings
WARNING: NoWarning Text
For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children.
State Chemical Disclosure
None
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Offers lower cost compared to similar stores.
- : Made with high-strength capsules.
Generated by AI
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Showing 1-3 of 60 reviews
Mar 22, 2025
ProudMomof3
5 out of 5 stars review
Verified Purchase
These Magnesium supplements by NOW seem to continue to help me, however from time to time they don't seem to work as well as others, but could just be age/ weather working against them. These particular NOW brand 400MG Magnesium caps have become a little harder for me to find in store so I've had to order the last few bottles online. Similarly to the way I had to buy a different brand Biliberry (I use for eyes) , before it became completely unavailable. Fingers crossed this isn't the same though it feels like it.
Helpful?5SSC28671JZ740703814
Nov 2, 2025
Jerseygirl
Top Reviewer
5 out of 5 stars review
Verified Purchase
Magnesium
No added fillers...actually improved my bloodwork
Helpful?5SSC28671JZ740703814
Jan 29, 2026
ann
5 out of 5 stars review
Verified Purchase
Like; Great for nerve numbness
Helpful?5SSC28671JZ740703814
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