🟢 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

35 Gram(s) Serving Size
25 Servings
Other Combinations Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Calories
120 {Calories}
Total Fat
1 Gram(s) (2% DV)
Cholesterol
20 mg (7% DV)
Sodium
30 mg (1% DV)
Potassium
20 mg (1% DV)
Total Carbohydrates
5 Gram(s) (2% DV)
Protein
25 Gram(s) (50% DV)
Vitamin A
Vitamin C
Calcium
(50% DV)
Iron

Other Ingredients

Micellar Casein Oat Fiber natural Vanilla flavor Inulin Soy Lecithin Acesulfame Potassium Sucralose Xanthan Gum

Label Claims — Verification

All Other
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)

Product Information

📋 Directions for Use

Directions: Workout Days - For adults, mix one (1) rounded scoop (35 g) with 8 fluid ounces of cold water or milk and consume after your workout. For a less gritty mouth feel, use 12 fluid ounces of water. An additional scoop can be taken before bed. Non-Workout Days - Take one (1) rounded scoop (35 g) daily with 8 fluid ounces of cold water or milk at breakfast, before bed or any time of the day.

Combined with Whey Protein: Create your own fast and slow-release protein stack by mixing MET-Rx(R) Ultramyosyn Whey Protein with Casein. For a greater sustained-release effect, mix a 3:1 ratio of Casein:Whey.

FOR MAXIMUM RESULTS, USE MET-Rx(R) 100% MICELLAR CASEIN BETWEEN MEALS AND BEFORE BED.

⚠️ Warnings & Precautions

NOTICE: Use this product as a food supplement only. Do not use for weight reduction.

Contains milk and soy ingredients.

WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, 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.

KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

EACH PROTEIN-PACKED SERVING PROVIDES A SUSTAINED DELIVERY OF AMINO ACIDS TO FUEL LEAN MUSCLE, STRENGTH AND RECOVERY.*

CASEIN ALSO PROVIDES ALL OF THE ESSENTIAL AMINO ACIDS NEEDED FOR LEAN MUSCLE, INCLUDING THE BRANCHED CHAIN AMINO ACIDS (TYPICAL PROFILE): - LEUCINE: 2.4 G - ISOLEUCINE: 1.2 G - VALINE: 1.4 G 3 GRAMS OF FIBER: EACH SCOOP IS FURTHER ENHANCED WITH A GOOD SOURCE OF FIBER.

>> 25G PREMIUM SUSTAINED-RELEASE PROTEIN >> OVER 4 GRAMS OF BCAAs FROM PROTEIN

Contains milk and soy ingredients.

Additional Information

POST-WORKOUT

WHEN CASEIN PROTEINS ARE INGESTED, THEY DISSOLVE VERY SLOWLY FROM THE STOMACH BEFORE EVENTUALLY REACHING THE BLOODSTREAM. THIS CREATES A “TIME-RELEASED” EFFECT THAT ALLOWS AMINO ACIDS TO STEADILY MAKE THEIR WAY TO THE MUSCLES OVER AN EXTENDED PERIOD.* OUR PROTEIN PROVIDES CASEIN ONLY AS MICELLAR CASEIN.

WHETHER YOU ARE TRYING TO GET LEAN OR GAIN MASS, DAILY FIBER INTAKE IS IMPORTANT FOR DIGESTIVE SUPPORT AND MAINTAINING YOUR OVERALL PHYSIQUE.*

*USE IN CONJUNCTION WITH AN INTENSE DAILY EXERCISE PROGRAM AND A BALANCED DIET INCLUDING AN ADEQUATE CALORIC INTAKE.

LEAN MASS & STRENGTH*

>> GOOD SOURCE OF FIBER

Natural Flavor

LEARN MORE by scanning QR CODE with your Smart Phone >>>>>>

As a reminder, discuss the supplements and medications you take with your healthcare providers.

Contents are sold by weight. Some settling may occur.

Calories: 2,000 2,500 Total Fat Less than 65g 80g Sat Fat Less than 20g 25g Cholesterol Less than 300mg 300mg Sodium Less than 2,400mg 2,400mg Potassium 3,500mg 3,500mg Total Carbohydrate 300g 375g Dietary Fiber 25g 30g Protein 50g 65g Calories per gram: Fat 9 - Carbohydrate 4 - Protein 4

Typical Amino Acid Profile (milligrams per 35 g scoop****) Essential Amino Acids Histidine 652 mg Isoleucine 1,220 mg Leucine 2,423 mg Lysine 2,053 mg Methionine 644 mg Phenylalanine 1,142 mg Threonine 1,050 mg Tryptophan*** 309 mg Valine 1,484 mg Nonessential Amino Acids Alanine 791 mg Arginine 888 mg Aspartic Acid 1,880 mg Cysteine 162 mg Glutamic Acid 5,325 mg Glycine 431 mg Proline 2,335 mg Serine 1,360 mg Tyrosine 1,226 mg ***L-Tryptophan is naturally occurring, not added. ****approximate values

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

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

52631 01A B52631 JAC

Product Details

UPC / SKU 7 86560 52631 9
DSLD Entry Date 2014-10-10
Product Type Other Combinations
Form Powder
Brand MET-Rx
DSLD ID 37719
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
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