Is 225 mg of Magnesium safe?

Yes — this is 0.5× the recommended daily intake of 420 mg, which is within safe limits.

Magnesium Citrate by Biotech Nutritions

100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
100% of ingredients have research evidence

A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Magnesium is supported by strong evidence for its role in muscle function and supporting healthy nerve transmission. Research indicates it is effective for addressing magnesium deficiency and supporting bone health. The available evidence for these primary functions is well-established across clinical literature.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Open Full PDF View on NIH DSLD →

Details

Label Data

1 Capsule(s)

Serving Size

120

Servings

Mineral

Product Type

100%

Evidence Coverage

Ingredients

Supplement Facts — Evidence Check

Magnesium

225 mg (54% DV)

Within RDA (0.5× RDA) 316 studies (A:8, B:159)

Other Ingredients

Vegetable Capsule

Claims

Label Claims — Verification

Unverified All Other

Unverified Structure/Function

Info

Product Information

Directions for Use

Suggested use: (Adults only) As a dietary supplement, take two (2) capsules per day with a glass of water.

Warnings & Precautions

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

Additional Information

Order online: www.BiotechNutrtions.com

Made in USA

Metadata

Product Details

UPC / SKU6 16983 00255 1

DSLD Entry Date2021-02-25

Product TypeMineral

FormCapsule

BrandBiotech Nutritions

DSLD ID244068

Data Updated2026-04-11

Research

Research Evidence

Research Sources

Avg Quality

Rct

Meta Analysis

B Citrate salts for preventing and treating calcium containing kidney stones in adults

Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI

B Effect of potassium citrate on bone density, microarchitecture, and fracture risk in healthy older adults without osteoporosis: a randomized controlled trial

Rct The Journal of clinical endocrinology and metabolism 2013 PubMed DOI

B Regional Citrate Anticoagulation or Heparin Anticoagulation for Renal Replacement Therapy in Patients With Liver Failure: A Systematic Review and Meta-Analysis

Meta Analysis Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis 2023 PubMed DOI

B Effect of potassium citrate supplement on stone recurrence before or after lithotripsy: systematic review and meta-analysis

Meta Analysis Urolithiasis 2017 PubMed DOI

C Effect of Regional Citrate Anticoagulation vs Systemic Heparin Anticoagulation During Continuous Kidney Replacement Therapy on Dialysis Filter Life Span and Mortality Among Critically Ill Patients With Acute Kidney Injury: A Randomized Clinical Trial.

Rct JAMA PubMed DOI

C Systematic review and meta-analysis: sodium picosulfate/magnesium citrate vs. polyethylene glycol for colonoscopy preparation

Meta Analysis European journal of clinical pharmacology 2016 PubMed DOI

C Potassium citrate prevents increased urine calcium excretion and bone resorption induced by a high sodium chloride diet

Rct The Journal of clinical endocrinology and metabolism 2002 PubMed

C Magnesium citrate supplementation decreased blood pressure and HbA1c in normomagnesemic subjects with metabolic syndrome: a 12-week, placebo-controlled, double-blinded pilot trial

Rct Magnesium research 2021 PubMed DOI

C The efficacy of vitamin D combined with clomiphene citrate in ovulation induction in overweight women with polycystic ovary syndrome: a double blind, randomized clinical trial.

Rct Endocrine PubMed DOI

C Impact of Clomiphene Citrate on the Steroid Profile in Dysmetabolic Men with Low Testosterone Levels.

Rct Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme PubMed DOI

View all evidence for Magnesium Citrate →

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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.