Home/ Supplements/ Calcium/ Calcium Citrate Plus 800 mg

Calcium Citrate Plus 800 mg

product on market Other (e.g. tea bag) GNC Safety: 87/100
87/100

This product is generally safe

  • Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)
  • 67% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Calcium and vitamin D have strong evidence for supporting bone density and skeletal health. Magnesium contributes to muscle and nerve function, though its synergistic effect with calcium varies by study. Research generally supports the efficacy of these ingredients for bone maintenance.

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

Alerts

Safety Alerts

Magnesium: 400mg is 1.1× the Tolerable Upper Intake Level (350mg)

Label

Product Label

Label for Calcium Citrate Plus 800 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Caplet(s)
Serving Size
45
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

20 mcg (100% DV)
1.3× RDA — within safe limits 608 studies (A:16, B:251)
Calcium
800 mg (62% DV)
400 mg (95% DV)
Exceeds UL by 1.1× (UL: 350 mg) 316 studies (A:8, B:159)

Other Ingredients

Microcrystalline Cellulose Hydroxypropyl Methycellulose Hydroxypropylcellulose Croscarmellose Sodium Stearic Acid Titanium Dioxide Magnesium Stearate Silicon Dioxide Vegetable Acetoglycerides Polyethylene Glycol Polysorbate 80 Carnauba wax
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Approved Health
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take two caplets at breakfast and two caplets at dinner for a total of four caplets daily.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Magnesium & Vitamin D-3 Highly absorbable form of calcium with 400 mg of magnesium & 20 mcg (800 IU) vitamin D-3 800 mg per 4 caplets

Adequate calcium and vitamin D in a healthy diet throughout life may reduce the risk of osteoporosis.

Potency verified by GNC procedure #4000. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

No artificial flavors, sodium free, no wheat, gluten free, no dairy.

Additional Information

Store in a cool, dry place.

45-day supply

Metadata

Product Details

UPC / SKU0 48107 17750 8
DSLD Entry Date2021-01-22
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandGNC
DSLD ID243015
Data Updated2026-04-11
Research

Research Evidence

511
Research Sources
57
Avg Quality
266
Meta Analysis
95
Systematic Review
76
Rct
49
Clinical Trial
12
Guideline
4
Regulatory Source
2
Cochrane Review
2
Other
2
Narrative Review
1
Openfda Safety
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A First-line drugs for hypertension
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Beta-blockers for hypertension
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Calcium →
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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.