🟢 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

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

Supplement Facts — Evidence Check

Calories
45 {Calories}
Cholesterol
5 mg (1% DV)
Total Carbohydrates
1 Gram(s) (1% DV)
Protein
10 Gram(s) (20% DV)
Calcium
204 mg (22% DV)
Sodium
39 Gram(s) (2% DV)
Mannatein(R) Blend
12.1 Gram(s)
Sialic Acid
224 mg

Other Ingredients

Soy Lecithin

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)

Product Information

📋 Directions for Use

DIRECTIONS FOR ADULT USE: Mix 2 scoops (12.2 g) in 8 fl. oz. of liquid or add to food twice daily. For best results, take this product with 8 fl. oz. of liquid 20 minutes before breakfast and 20 minutes before dinner.

{CHART} INSTRUCTIONS: 8 OZ. LIQUID OR ADD TO FOOD 2 SCOOPS MIX WELL 2X TWICE DAILY

⚠️ Warnings & Precautions

Contains Milk, Soy

Keep out of reach of children.

Not formulated for use by children.

🧪 Formulation Notes

Contains Milk, Soy

Additional Information

Notice: Use OsoLean powder as directed and in conjunction with a reduced calorie diet and proper exercise. When it is used as directed, it aids in fat reduction. Do not use in diets supplying less than 400 calories per day without medical supervision.

Keep container tightly closed. Store in a cool, dry place.

Contents may settle during shipping. This product is sold by weight, not volume.

Optimal Weight & Fitness

The OsoLean powder is the shape of things to come. This all-natural protein powder has been clinically tested to help target fat loss and spare lean muscle when combined with a reduced calorie diet and proper exercise.

The OsoLean powder is a proprietary whey protein blend that’s easy to use and works with all kinds of food and beverages – so you can mix it with the flavors you like best. Try OsoLean powder and see what you’ve got to lose.

Target Fat Loss

M(SM)

Product Number 22001 US.22001.25.006

Product Details

DSLD Entry Date 2014-07-25
Product Type Amino acid/Protein
Form Powder
Brand Mannatech
DSLD ID 34923
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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