🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 10% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

50.33 Gram(s) Serving Size
8 Servings
Other Combinations Product Type
10% Evidence Coverage

Supplement Facts — Evidence Check

Calories
160 {Calories}
Total Fat
3 Gram(s) (5% DV)
Cholesterol
40 mg (13% DV)
Total Carbohydrates
7 Gram(s) (2% DV)
Protein
25 Gram(s)
400 IU (100% DV)
✅ Within RDA (0.7× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.01mg UL 0.1mg
Sodium
70 mg (3% DV)
Potassium
400 mg (11% DV)
Muscle & Nutrient Maximizer
Joint & Recovery Complex
Calories
320 {Calories}
Total Fat
6 Gram(s) (9% DV)
Cholesterol
80 mg (27% DV)
Total Carbohydrates
14 Gram(s) (5% DV)
Protein
50 Gram(s)
800 IU (200% DV)
✅ 1.3× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.02mg UL 0.1mg
Sodium
140 mg (6% DV)
Potassium
800 mg (25% DV)
Muscle & Nutrient Maximizer
Joint & Recovery Complex

Other Ingredients

Protein Blend Cocoa Powder Natural and Artificial flavors Waxy Maize Starch Gum Blend Lecithin Acesulfame Potassium Sucralose

Label Claims — Verification

Nutrient
All Other
All Other (99% of products) Structure/Function (85% of products) Nutrient (70% of products) Approved Health (4% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

DIRECTIONS: As a dietary supplement, consume 2 scoops (50.33 g) mixed with 8-10 fl.oz. of cold water or favorite beverage within 20 minutes after your workout. For maximum results, take 2 servings post-workout.

⚠️ Warnings & Precautions

WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

KEEP OUT OF REACH OF CHILDREN.

CONTAINS: Milk and Soybeans.

Discontinue use two weeks prior to surgery.

🧪 Formulation Notes

- Optimal Muscle Performance Fuel Powered with 50g Protein, 20g Leucine & 10g Glutamine for Maximum Post-Workout Recovery*

- Gluten Free

NATURAL + ARTIFICIAL FLAVORS

CONTAINS: Milk and Soybeans.

TYPICAL AMINO ACID PROFILE PER SERVING Alanine 1271 mg Arginine 567 mg Aspartate 2732 mg Cystine 434 mg Glutamine & Glutamic Acid 9856 mg Glycine 527 mg Histidine 444 mg Isoleucine 1646 mg Leucine* 10196 mg Lysine 2365 mg Methionine 478 mg Phenylalanine 803 mg Proline 1550 mg Serine 1250 mg Threonine 1759 mg Tryptophan 515 mg Tyrosine 715 mg Valine 1511 mg Total 38619 mg Indicates Branched Chain Amino Acids (BCAA). *Denotes naturally occurring and added free form amino acids.

Additional Information

NOTICE: Significant product settling may occur.

Store in a cool, dry place.

BANNED SUBSTANCE FREE+ {checkmark}

NITRO-FACTOR / 70G(TM)

OT2 OPTIMAL TIMING TECHNOLOGY

CLINICALLY RESEARCHED

CODE 370074 JOG

INFORMED-CHOICE {CHECKMARK}.ORG Trusted by sport

Products bearing this logo have been tested for banned substances by HFL Sport Science, a world-class anti-doping lab. Product was tested for over 145 banned substances on the 2014 World Anti-Doping Agency (WADA) Prohibited List via HFL skip lot testing protocol #ICP0307. See gnc.com for more information.

{chart} OT2(TM) LEUCINE 1 hour OT2(TM) PEAK LEUCINE AVAILABILITY (HOURS) 6hr Exclusive OT2(TM) Delivers Anabolic Leucine Over 6 Hours* - This product is engineered for dual delivery of fast and slow releasing anabolic leucine! - Designed to deliver immediate release of anabolic leucine within 1 hour, plus extended release OT2(TM) leucine over 6 hours!

Product Details

UPC / SKU 0 48107 13978 0
DSLD Entry Date 2014-05-23
Product Type Other Combinations
Form Powder
DSLD ID 33623
Data Updated 2026-04-11

Research Evidence

872 Research Sources
53 Avg Quality Score
309 Meta Analysis
309 Clinical Trial
111 Rct
71 Systematic Review
55 Guideline
4 Cochrane Review
4 Regulatory Source
2 Other
2 Narrative Review
2 Observational
1 Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009
View all evidence for Vitamin D →

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