Magnesium Complex 300 mg®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 1 Tablet(s) · 1 per day

Not Present

• 

  Bronson Vitamins Bone Health & Strength Complex Formula

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  Magnesium Glycinate + Ashwagandha

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  $24.99
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  Bronson Calcium and Magnesium with Boron and Zinc 180 Tablets

  Bronson Vitamins5.0(20)

  $9.99
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  Bronson Magnesium Glycinate 200 MG per Serving Chelated for High Absorption

  Bronson Vitamins4.6(55)

  $24.99
• 

  Bronson Vitamins Magnesium Glycinate Extra Strength

  Bronson Vitamins4.5(8)

  $14.99
• 

  Bronson Magnesium Oxide High Potency 400 mg 100 Vegetarian Capsules

  Bronson Vitamins4.6(52)

  $10.99
• 

  Bronson Vitamins K2 + D3 & Magnesium Glycinate Chelate Buffered

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  $9.99
• 

  MegaFood Magnesium 300

  Target4.7(1000)

  $29.99

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• London Supplements

  3.7 (84)

  Vitamin & Supplements Shop

  13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR

  Directions020 8863 0300

• Supplemented

  4.7 (192)

  Vitamin & Supplements Shop

  Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH

  Directions

• Minerva Wellness

  5.0 (21)

  Vitamin & Supplements Shop

  71-75 Shelton St, London WC2H 9JQ

  Directions020 7459 4641

• Novomins

  4.9 (480)

  E-commerce service

  Suite 1000, 405 King's Rd, London SW10 0BB

  Directions01863 723207

• British Supplements

  3.4 (275)

  Vitamin & Supplements Shop

  34, New House, 67-68 Hatton Garden, London EC1N 8JY

  Directions07768 405406

• Metagenics UK

  4.6 (203)

  Vitamin & Supplements Shop

  Botany Business Park, Macclesfield Rd, Whaley Bridge, High Peak SK23 7DQ

  Directions0800 043 5777

• Vitazam

  4.8 (21)

  Vitamin & Supplements Shop

  Harlow Enterprise Hub Edinburgh Way, Harlow CM20 2NQ

  Directions020 3950 4467

• Metabolics Ltd

  3.8 (11)

  Vitamin & Supplements Shop

  5 Eastcott Common, Devizes SN10 4PL

  Directions01380 812799

• Effect of oral magnesium supplementation on physical performance in healthy elderly women involved in a weekly exercise program: a randomized controlled …

  N Veronese, L Berton, S Carraro… - … American journal of …, 2014 - academic.oup.com

  … In conclusion, oral supplementation with 300 mg Mg in the form of magnesium oxide for 12 … in healthy elderly women. These findings suggest a role for magnesium supplementation in …

  2014229 citations

• Point of view—a role for “nutritional insurance” supplementation in preventive medicine

  MF McCarty - Medical Hypotheses, 1981 - Elsevier

  … that magnesium is the protective factor in hard water; if in fact this is the case, it demonstrates that even a small difference in magnesium … Roger Williams and marketed by Bronson, but it …

  198119 citations

• Can nutritional supplements help mentally retarded children? An exploratory study.

  RF Harrell, RH Capp, DR Davis, J Peerless… - Proceedings of the …, 1981 - pnas.org

  … known to Bronson Pharmaceuticals (La Canada, CA), the company that furnished the supplements and … and Bronson Pharmaceuticals for supplying the supplements and placebos. …

  1981152 citations

• Short-term magnesium supplementation has modest detrimental effects on cycle ergometer exercise performance and skeletal muscle mitochondria and …

  MC Bomar, TR Ewell, RL Brown, DM Brown… - Nutrients, 2025 - mdpi.com

  … Fifteen participants ingested either a placebo or magnesium chloride (MgCl 2 300 mg) twice per day, for … In summary, in healthy young adults who were regular exercisers and free from …

  20256 citations

• Circulating ionized magnesium as a measure of supplement bioavailability: results from a pilot study for randomized clinical trial

  J Zhan, TC Wallace, SJ Butts, S Cao, V Ansu… - Nutrients, 2020 - mdpi.com

  … , serum total magnesium concentration, and total urinary magnesium content. In a single-… , 17 healthy adults were randomly assigned to consume 300 mg of magnesium from MgCl 2 …

  202024 citations

• Effects of multivitamin/mineral supplementation on trace element levels in serum and follicular fluid of women undergoing in vitro fertilization (IVF)

  MO Özkaya, M Nazıroğlu, C Barak… - Biological trace element …, 2011 - Springer

  … Healthy control subjects and treated and untreated patients were all … magnesium levels in patients with IVF were not increased by the multivitamin/mineral complex supplementation. …

  2011115 citations

• Magnesium Forms Explained: Oxide, Citrate, and Glycinate

  The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.

  VitaSuppTrack Editorial· Jun 24, 2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-08-23. DSLD Label ID: 24982. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.