🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

4 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Calcium
116 mg (12% DV)
Potassium
46 mg (1% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 1000mg

Other Ingredients

Rice powder Gelatin Magnesium Silicate Magnesium Silicate Silica Vegetable Magnesium Stearate

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (54% of products) Approved Health (3% of products)

Target Groups

Adult (18 - 50 Years) Dairy Free Sugar Free

Product Information

📋 Directions for Use

DIRECTIONS: For adults, take four (4) capsules three times daily, preferably with a meal. Do not exceed recommended dose. As a reminder, discuss the supplements and medications you take with your health care providers.

⚠️ Warnings & Precautions

WARNING: Not intended for use by pregnant or nursing women.

If you are taking any medications, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur.

Not intended for use by persons under the age of 18.

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

FREE OF: yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial color, artificial flavor, sodium (less than 5 mg per serving).

Additional Information

STORE IN A DRY PLACE AND AVOID EXCESSIVE HEAT.

>> Calcium B-Hydroxy B-Methylbutyrate Monohydrate

>>> THE REVOLUTIONARY SCIENCE OF MUSCLE MASS AND STRENGTH* <<<

• HMB is a metabolite of leucine, a Branched Chain Amino Acid. • Scientifically researched in combination with weight training and may help support strength levels and muscles.* Results may vary. Use in conjunction with an intense daily exercise program and a balanced diet including an adequate caloric intake.

7933 02B B7933 KZJ

Nutritional uses of Calcium B-Hydroxy B-Methylbutyrate Monohydrate (HMB) are licensed under U.S. Patent 5,348,979

Product Details

UPC / SKU 7 86560 07933 4
DSLD Entry Date 2012-02-23
Product Type Other Combinations
Form Capsule
Brand MET-Rx
DSLD ID 6536
Data Updated 2026-04-11

Research Evidence

849 Research Sources
56 Avg Quality Score
450 Meta Analysis
152 Rct
137 Systematic Review
73 Clinical Trial
11 Regulatory Source
7 Other
7 Guideline
3 Openfda Safety
2 Cochrane Review
2 Observational
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
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
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
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
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
View all evidence for Electrolytes →

Compare Similar Products

View all Electrolytes products →