🟢 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
63 Servings
Amino acid/Protein Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Calories
130 Calorie(s)
Total Fat
1 Gram(s) (2% DV)
Cholesterol
15 mg (6% DV)
Sodium
110 mg (5% DV)
Potassium
200 mg (6% DV)
Total Carbohydrates
2 Gram(s) (1% DV)
Protein
30 Gram(s) (60% DV)
Vitamin A
Calcium
(8% DV)
(8% DV)
(2% DV)
Vitamin C
Iron
(2% DV)
(2% DV)

Other Ingredients

Whey Protein isolate Pro-Defense Blend (Amino Acid/Protein) Cocoa Natural and Artificial flavors Cellulose Gum Soy Lecithin Xanthan Gum Acesulfame Potassium Carrageenan Sucralose

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

POST-WORKOUT FOR MAXIMUM MUSCLE SUPPORT, CONSUME 1-2 SCOOPS IMMEDIATELY AFTER EXERCISE.*

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. 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.

To support mass, consume approximately 1 gram of protein per pound of body weight from all dietary sources per day.* *Use in conjunction with an intense daily exercise program and a balanced diet including an adequate caloric intake.

⚠️ Warnings & Precautions

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

Contains milk, soy and wheat 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.

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

🧪 Formulation Notes

ULTRAMYOSYN WHEY ISOLATE CONTAINS PROTEIN THAT IS PROCESSED USING MICROFILTRATION TO ENSURE AN ISOLATED WHEY THAT CONTAINS A MINIMUM OF 90% PROTEIN WITH MINIMAL LACTOSE AND FAT. THESE ISOLATION PROCESSES SEPARATE THE VALUABLE PROTEIN FROM NON-PROTEIN MATERIALS YIELDING A HIGHLY-PURIFIED WHEY ISOLATE.

MET-Rx ULTRAMYOSYN WHEY ISOLATE PROVIDES ALL OF THE BENEFITS WHEY PROTEIN IS KNOWN FOR AND MORE, BY CAREFULLY REMOVING THE FAT AND LACTOSE THAT YOU DON’T NEED WHILE INCREASING THE PERCENTAGE OF AMINOS AS COMPARED TO REGULAR WHEY CONCENTRATE.

What makes MET-Rx Ultramyosyn Whey Isolate worth it: ~ 25g Pure Whey Isolate with just one gram of carbohydrates. ~ Pro-Defense Blend for Recovery from Intense Training* ~ Over 5 grams of BCAAs from protein

~ 99% 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 5 g of the following Branched Chain Amino Acids from protein: Which typically provides: ~ Isoleucine 1.5 g ~ Leucine 2.5 g ~ Valine 1.3 g

~ 30G OF PROTEIN FEATURING PURE WHEY PROTEIN ISOLATE ~ OUR FORMULA CONTAINS OVER 5G OF BCAAs FROM PROTEIN PLUS A PRO-DEFENSE BLEND TO HELP SUPPORT MUSCLE RECOVERY FROM INTENSE TRAINING*

~ ONLY 130 CALORIES AND 2G CARBS PER SERVING, 63 SERVINGS PER CONTAINER.

PROTEIN POWDER

Contains milk, soy and wheat ingredients.

MET-Rx Ultramyosyn Whey Isolate is aspartame free.

Additional Information

~ Enhanced with additional free-form amino acids to work synergistically with Whey Isolate's high concentration of aminos to support recovery.*

Whey Protein Combined with a Small Amount of Carbs Provides Greater Support for Muscle and Strength Compared to Carbs-Only When Taken During a Six Week Training program. IMPROVEMENTS IN LEAN MASS lbs. Lean Mass Whey/Carbs Carbs only IMPROVEMENTS IN BENCH PRESS STRENGTH lbs. Increased Untrained subjects consumed 1.2 grams of protein powder per kg of body weight each day, divided into 3 servings – 1 before training, 1 after training and 1 before bed. Each serving contained approximately 7 - 10 grams of carbohydrates, which can be obtained from a few ounces of juice. Candow, D. et al. International Journal of Sport Nutrition and Exercise Metabolism. 2006. 16(3). 233-244.

LEAN MASS & STRENGTH*

~ MICROFILTERED FOR FASTER ABSORPTION AND DELIVERY

Naturally and Artificially Flavored

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 36 g scoop****) Essential Amino Acids Histidine 386 mg Isoleucine 1,563 mg Leucine 2,515 mg Lysine 1,969 mg Methionine 493 mg Phenylalanine 709 mg Threonine 1,197 mg Tryptophan*** 426 mg Valine 1,391 mg Nonessential Amino Acids Alanine 1,169 mg Arginine 517 mg Aspartic Acid 2,608 mg Cysteine 576 mg Glutamic Acid 4,256 mg Glycine 399 mg Proline 1,687 mg Serine 1,068 mg Tyrosine 671 mg ***L-Tryptophan is naturally occurring, not added. ****approximate values

Please note: Crystalline Taurine will appear as small crystals within the powder. Contents are sold by weight. Some settling may occur.

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

31233 05D B31471

Product Details

UPC / SKU 7 86560 31233 2
DSLD Entry Date 2016-09-22
Product Type Amino acid/Protein
Form Powder
Brand MET-Rx
DSLD ID 64352
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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