🟢 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

36 Gram(s) Serving Size
25 Servings
Amino acid/Protein Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Calories
140 Calorie(s)
Total Fat
1.5 Gram(s) (2% DV)
Cholesterol
20 mg (7% DV)
Sodium
135 mg (6% DV)
Potassium
130 mg (4% DV)
Total Carbohydrates
2 Gram(s) (1% DV)
Protein
30 Gram(s) (60% DV)
Vitamin A
Calcium
(10% DV)
(8% DV)
Vitamin C
Iron
(6% DV)

Other Ingredients

Whey Protein isolate Sunflower Lecithin Natural and Artificial flavors Cellulose Gum Xanthan Gum Acesulfame Potassium Sucralose Carrageenan Dextrin

Label Claims — Verification

Nutrient
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

Blender – Simple Add one scoop of MET-Rx Ultramyosyn Whey Isolate to blender filled with 6-8 ounces of your favorite beverage. Cover and blend for 20-30 seconds. For a delicious smoothie, add peanut butter, fruit, or yogurt along with ice cubes.^^ Shaker – Simpler Fill a shaker bottle with 6-8 ounces of your favorite beverage. Add one scoop of MET-Rx Ultramyosyn Whey Isolate. Cover and shake for 25-30 seconds. Glass & Spoon – Simplest Add one scoop of MET-Rx Ultramyosyn Whey Isolate to 6-8 ounces of your favorite beverage. Stir for 20-30 seconds or until completely blended. ^^For Mass Gaining: add higher calorie foods such as peanut butter, 1-2% milk, and fruit juices. For Dieters: add lower calorie foods such as skim milk, blueberries and raspberries, or just use water. *Use in conjunction with an intense daily exercise program and a balanced diet including an adequate caloric intake.

To support mass, consume approximately 1 gram of protein per pound of body weight from all dietary sources per day.*

Directions: For adults, take one (1) scoop (36 g) one to two times daily. Serious athletes should consume 1-2 scoops twice per day for maximum support, with at least 1-2 scoops taken immediately after exercise.

Pre & Post Workout For maximum muscle support, consume 1-2 scoops immediately after exercise.*

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

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

Contains milk ingredients.

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

🧪 Formulation Notes

30g Protein Features Highly-Purified Whey Isolate

140 Calories, 2g Carbs & 1.5g Fat

Ultramyosyn Whey Isolate contains protein that is processed using microfiltration to ensure an isolated whey that contains a high protein % with minimal lactose and fat. These isolation processes separate the valuable protein from non-protein materials yielding a highly-purified whey isolate.

What makes MET-Rx Ultramyosyn Whey Isolate worth it: ~ Pure Whey Isolate with just two grams of carbohydrates. ~ Over 6 grams of BCAAs from protein.

~ 95% Lactose Free

State-of-the-art manufacturing processes are used to retain the active Whey Protein Peptides and Microfractions including Beta-lactoglobulin, Alpha-lactalbumin, Lactoferrin and more – some other whey isolate processing methods remove Glycomacropeptides, which are an important protein component. ~ Delivers a high quality Whey Isolate protein with a higher amino acid profile gram for gram than ordinary Whey Concentrate. Each serving contains over 6 g of the following Branched Chain Amino Acids from protein: Which typically provides: ~ Isoleucine 1.6 g ~ Leucine 3.1 g ~ Valine 1.6 g

MET-Rx Ultramyosyn Whey Isolate is aspartame free.

Contains milk ingredients.

Additional Information

Naturally and Artificially Flavored

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

TYPICAL AMINO ACID PROFILE (milligrams per 36 g scoop****) Essential Amino Acids Histidine 518 mg Isoleucine 1,686 mg Leucine 3,143 mg Lysine 2,759 mg Methionine 666 mg Phenylalanine 912 mg Threonine 2,021 mg Tryptophan*** 486 mg Valine 1,699 mg Nonessential Amino Acids Alanine 1,453 mg Arginine 806 mg Aspartic Acid 3,056 mg Cysteine 612 mg Glutamic Acid 5,174 mg Glycine 533 mg Proline 1,685 mg Serine 1,505 mg Tyrosine 846 mg ***L-Tryptophan is naturally occurring, not added. ****approximate values

Part No. 30-41043

Calories 2,000 Calories 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 Less than 3,500mg 3,500mg Total Carbohydrate 300g 375g Dietary Fiber 25g 30g Protein 50g 65g Calories per gram: Fat 9 ~ Carbohydrate 4 ~ Protein 4

Contents are sold by weight. Some settling may occur.

New look

Protein Powder

Fuels Muscle Recovery & Strength*

55640 01B B55640

Product Details

UPC / SKU 7 86560 55640 8
DSLD Entry Date 2016-11-21
Product Type Amino acid/Protein
Form Powder
Brand MET-Rx
DSLD ID 66315
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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