🟢 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

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

Supplement Facts — Evidence Check

Calories
150 {Calories}
Total Fat
3 Gram(s) (5% DV)
Cholesterol
40 mg (13% DV)
Total Carbohydrates
6 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
100 mg (4% DV)
Potassium
240 mg (7% DV)
Muscle & Nutrient Maximizer
Joint & Recovery Complex

Other Ingredients

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

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 (48.18 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

CONTAINS: Milk and Soybeans.

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

Discontinue use two weeks prior to surgery.

KEEP OUT OF REACH OF CHILDREN.

🧪 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 1262 mg Arginine 536 mg Aspartate 2713 mg Cystine 431 mg Glutamine & Glutamic Acid 9864 mg Glycine 505 mg Histidine 440 mg Isoleucine~ 1651 mg Leucine* 10105 mg Lysine 2376 mg Methionine 479 mg Phenylalanine 784 mg Proline 1552 mg Serine 1245 mg Threonine 1763 mg Tryptophan 515 mg Tyrosine 700 mg Valine~ 1498 mg Total 38419 mg ~Indicates Branched Chain Amino Acids (BCAA). *Denotes naturally occurring and added free form amino acids.

Additional Information

- Proven to Generate 400% Greater Anabolic Environment by Modulating Insulin Levels* - Clinically Studied Ingredients to Fuel Muscle Cells & Enhance Joint Function*

BANNED SUBSTANCE FREE

NITRO-FACTOR / 70G

OT2 OPTIMAL TIMING TECHNOLOGY

CLINICALLY RESEARCHED

CODE 370075 JOG

NOTICE: Significant product settling may occur.

INFORMED-CHOICE.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.

Store in a cool, dry place.

{chart} OT2 LEUCINE 1 hour OT2 PEAK LEUCINE AVAILABILITY (HOURS) 6hr Exclusive OT2 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 leucine over 6 hours!

Servings Per Container 17 8

Product Details

UPC / SKU 0 48107 13979 7
DSLD Entry Date 2015-10-22
Product Type Other Combinations
Form Powder
DSLD ID 49905
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
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