🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 18% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

33 Gram(s) Serving Size
27 Servings
Amino acid/Protein Product Type
18% Evidence Coverage

Supplement Facts — Evidence Check

Calories
130 Calorie(s)
Total Fat
1.5 Gram(s) (2% DV)
Cholesterol
45 mg (15% DV)
Total Carbohydrates
6 Gram(s) (2% DV)
Protein
23 Gram(s) (45% DV)
Calcium
107 mg (11% DV)
86 mg (9% DV)
✅ Within RDA (0.1× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 86mg UL 4000mg
19 mg (5% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 19mg
Sodium
55 mg (2% DV)
Potassium
115 mg (3% DV)
Stevia extract
70 mg

Other Ingredients

Protein Blend Fructose Natural flavors Soy Lecithin Stevia extract

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (98% of products) Structure/Function (89% of products) Nutrient (76% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Pre & Post Workout For best results and maximum muscle support, take one (1) scoop one to two times daily, especially after exercise.*

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

Blender – Simple Add one scoop of MET-Rx Natural Whey Protein 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 Natural Whey Protein. Cover and shake for 25-30 seconds. Glass & Spoon – Simplest Add one scoop of MET-Rx Natural Whey Protein 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.

Directions: For adults, take one (1) scoop (33 g), one to two times daily. Serious athletes should consume 1-2 scoops twice per day for maximum muscle support, with at least 1-2 scoops taken immediately after exercise.

⚠️ Warnings & Precautions

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

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.

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

Keep out of reach of children.

Tamper resistant: Do not use product if seal under cap is broken or missing.

🧪 Formulation Notes

MET-Rx Natural Whey Protein utilizes state-of-the-art manufacturing techniques to deliver a cutting-edge protein blend that is both wholesome and scientifically advanced.

With absolutely no preservatives, artificial flavors or colors- Natural Whey Protein should be your first choice for high quality protein.

What makes MET-Rx Natural Whey Protein worth it: ~ MET-Rx Natural Whey Protein provides gold standard Whey Protein, which undergoes filtration processes to reduce total lactose and carbohydrates while concentrating the natural proteins. ~ Naturally contains active Whey Protein Peptides and Microfractions including: Beta-lactoglobulin, Alpha-lactalbumin, Glycomacropeptides, Lactoferrin, and other bio-active components. ~ Instantized Whey Proteins for easy mixing and complete dispersion in liquid. ~ Quick absorbing Whey Protein Blend to speed amino acid delivery to muscles immediately after workouts, to help stimulate muscle protein synthesis.* ~ Contains naturally occurring Branched Chain Amino Acids. Each serving contains approximately 5 g of the following Branched Chain Amino Acids from protein: Which typically provides: ~ Isoleucine 1.5 g ~ Leucine 2.3 g ~ Valine 1.3 g

MET-Rx Natural Whey Protein contains no aspartame.

23g protein Features premium whey

No preservatives, artificial flavors or colors

Contains milk and soy ingredients.

Additional Information

New Look

Whey is the preferred protein source in sports and bodybuilding nutrition because it provides a superior source of Branched Chain Amino Acids – made up of Leucine, Isoleucine and Valine – which are important for the maintenance of muscle tissue.*

Contents are sold by weight. Some settling may occur.

Natural flavors

Fuels muscle recovery & strength*

Store at room temperature and avoid excessive heat.

17770 06D B17770 Part No. 30-41090

TYPICAL AMINO ACID PROFILE (milligrams per 33 g scoop*****) Essential Amino Acids Histidine 416 mg Isoleucine 1,517 mg Leucine 2,307 mg Lysine 1,973 mg Methionine 470 mg Phenylalanine 679 mg Threonine 1,668 mg Tryptophan**** 419 mg Valine 1,362 mg Nonessential Amino Acids Alanine 1,113 mg Arginine 519 mg Aspartic Acid 2,420 mg Cysteine 504 mg Glutamic Acid 3,767 mg Glycine 393 mg Proline 1,506 mg Serine 1,017 mg Tyrosine 649 mg ****L-Tryptophan is naturally occurring, not added. *****approximate values

Product Details

UPC / SKU 7 86560 17770 2
DSLD Entry Date 2016-11-21
Product Type Amino acid/Protein
Form Powder
Brand MET-Rx
DSLD ID 66272
Data Updated 2026-04-11

Research Evidence

46 Research Sources
55 Avg Quality Score
23 Meta Analysis
7 Systematic Review
7 Rct
4 Clinical Trial
2 Other
1 Guideline
1 Regulatory Source
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 Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2025
B Phosphate binders for preventing and treating bone disease in chronic kidney disease patients
Meta Analysis The Cochrane database of systematic reviews 2011
B Calcium and phosphorus supplementation of human milk for preterm infants
Systematic Review The Cochrane database of systematic reviews 2017
B Radiographic and clinical outcomes of silicate-substituted calcium phosphate (SiCaP) bone grafts in spinal fusion: Systematic review and meta-analysis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2020
B ESPGHAN/ESPEN/ESPR/CSPEN guidelines on pediatric parenteral nutrition: Calcium, phosphorus and magnesium.
Guideline Clinical nutrition (Edinburgh, Scotland) 2018
B Effect of different phosphate binders on fibroblast growth factor 23 levels in patients with chronic kidney disease: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Annals of palliative medicine 2022
B Pyridoxal 5 phosphate for neuroleptic-induced tardive dyskinesia
Meta Analysis The Cochrane database of systematic reviews 2015
B The impact of phosphate lowering agents on clinical and laboratory outcomes in chronic kidney disease patients: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of nephrology 2022
B Calcimimetics treatment strategy for serum calcium and phosphate management in patients with secondary hyperparathyroidism undergoing dialysis: A systematic review and meta-analysis of randomized studies
Meta Analysis Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy 2024
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