Magnesium Citrate 250 mg

product on market Softgel Capsule Kirkland Signature 🟢 Safety: 100/100
Brand: Kirkland Signature
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

2 Softgel(s) Serving Size
Mineral Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

125 mg
✅ Within RDA (0.3× RDA of 420 mg)
RDA 420mg This product: 125mg UL 350mg

Other Ingredients

Magnesium Citrate Medium Chain Triglycerides Gelatin Glycerin Soy Lecithin Water yellow Beeswax Titanium Dioxide Vegetable and Fruit juice Carmine Ingredients

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (61% of products) Approved Health (4% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested use: Take two softgels daily, with a meal.

Just 2 convenient softgels per day provide 250 mg of magnesium.

⚠️ Warnings & Precautions

Warning: If you are pregnant, nursing or taking medications, consult your doctor before use.

Discontinue and consult your doctor if any adverse reactions occur.

🧪 Formulation Notes

Magnesium Citrate with 250 mg of Magnesium

Colors derived from natural sources- No synthetic dyes, no colors added, no artificial flavors, no preservatives, no yeast, gluten free

Kirkland Signature Magnesium Citrate Kirkland Signature Magnesium Citrate is formulated with the more absorbable magnesium citrate form, compared to magnesium oxide.

Magnesium is an essential mineral that is involved in over 300 biochemical reactions in the body. Magnesium is the fourth most abundant mineral in the body 50% of total body magnesium found in bone. How much magnesium do I need daily? The Recommended Dietary Allowance (RDA) for adults males (19 to 30 years old) is 400 mg/day and fr adult females (19 to 30 years old) is 310 mg/day. The RDA for adult males (31 years and older) is 420 mg/day and for adult females (31 years and older) is 320 mg/day. What are the food sources of magnesium? Magnesium is part of chlorophyll, the pigment that gives plants their green color. Green leafy vegetables, like spinach, are therefore good sources of magnesium. Whole grains and nuts are also rich sources, including bran cereals, brown rice, peanuts and almonds. Magnesium citrate is a more highly absorbable form than magnesium oxide.

Additional Information

Higher absorption

Absorbs better than Magnesium Oxide Helps support essential nerve, muscle & heart function

Helps support healthy bones and teeth Helps support healthy heart, muscle, and nerve function Helps convert food into cellular energy

Product Details

DSLD Entry Date 2019-10-23
Product Type Mineral
Form Softgel Capsule
Brand Kirkland Signature
DSLD ID 207448
Data Updated 2026-04-11

Research Evidence

11 Research Sources
52 Avg Quality Score
7 Rct
4 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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