🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

3 Liquid Soft-Gel(s) Serving Size
10 Servings
Other Combinations Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Calories
60 Calorie(s)
Total Fat
4 Gram(s) (5% DV)
Cholesterol
30 mg (9% DV)
Total Carbohydrates
1 Gram(s) (1% DV)
Protein
6 Gram(s)
100 mcg (500% DV)
📊 6.7× RDA — above typical dose (UL: 0.1 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.1mg UL 0.1mg
30 mg (273% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg
2 mg (222% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
2700 mg
📊 Market median: 750.0mg (447 products) 📚 388 studies (Tier A: 18, B: 204)
This product: 2700mg UL 3000mg
Aqtiv
1050 mg
600 mg
📊 Market median: 450.0mg (502 products) 📚 28 studies (Tier A: 0, B: 8)
This product: 600mg
PrimaVie
500 mg
500 mg
📊 Market median: 500.0mg (143 products)
This product: 500mg
400 mg
📊 Market median: 500.0mg (159 products)
Median 500.0mg This product: 400mg
200 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 200mg
L-Ornithine
150 mg
L-Glycine
100 mg
AstraGin
50 mg
6 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 6mg UL 20mg
BioPerine Complex
6 mg

Other Ingredients

Gelatin Water, Purified Glycerin Beeswax Sunflower Lecithin Caramel Maltodextrin Titanium Dioxide St. John's Bread Silicon Dioxide Riboflavin

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (98% of products) Structure/Function (90% of products) Nutrient (52% of products)

Target Groups

Adult Male (18-50 Years) Seniors/Mature (>50 Years) - Men ONLY

Product Information

📋 Directions for Use

Directions: (Adult) On workout days, approximately 60 minutes prior to a workout and away from food intake, consume three (3) liquid soft-gels with a full glass (8oz) of water. Following the workout, take an additional three (3) liquid soft-gels with a full glass (8oz) of water, and away from food intake. On non-workout days, take six (6) liquid soft-gels with a full glass of water and at least 60-90 minutes before or after consuming a meal, preferably in the evening.

⚠️ Warnings & Precautions

Usage warnings: Do not use if safety seal is broken. This product contains an ingredients that may affect blood sugar. Do not exceed recommended daily intake. Warning: (State of California Prop 65) This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.

Check with your doctor before using this product if you are using medication or have any medical conditions. Do not use if you may become pregnant, are pregnant or nursing.

Not intended for use by persons under 18. Keep out of reach of children.

Contains: Dairy, fish (anchovy, sardine), tree nuts (coconut, palm kernel)

🧪 Formulation Notes

Optimum-Strength Testosterone Up Pro-GrowtH was designed to enhance male physiology by delivering a powerful testosterone boost along with targeted extracts and nutrients to support post-work out recovery and key muscle repair and growth mechanisms. Testosterone boost Featuring PrimaVie Shilajit Extract. Traditional Ayurvedic texts describe Shilajit as a Rasayana, or rejuvenator that has long been used to promote longevity and resilience. Modern research shows that PrimaVie Shilajit significantly boosts free and total testosterone in healthy men. Muscle adaptation & post work-out recovery support KSM-66 Ashwagandha + PrimaVie Shilajit Extract both deliver powerful performance boosts by supporting muscle adaptations to optimize intra-workout performance and enhance post work-out recovery for superior muscle gains. This formula also delivers omega-3 dense fish oil, and Vitamin D3 to promote a healthy inflammatory response - a critical component to muscle repair and growth. Aminos + AstraGin This formula features a select combination of amino acids that have been a focus in longevity research and are thought to support key processes in the body. AstraGin is a proprietary extract that enhances absorption of amino acids for optimized nutritional benefits. For desired results, use in conjunction with regular resistance training. What makes us different: Liquid Soft-Gels - The nutrients in these easy-to-swallow liquid soft-gels are released fast. Other forms of delivery can contain binders and fillers that may cause stomach upset and offer no traditional value. Advanced Liquid Soft-Gels provide an optimum delivery system. Quality assurance - Irwin Naturals is committed to providing the highest quality products for your health. We employ compliance testing to ensure purity and potency.

Boosts endurance Powerful testosterone booster that also support muscle recovery & repair for men of all ages

No preservatives added.

Patented BioPerine - Our special BioPerine Complex enhances the bioavailability, absorption and potency of many nutrients.

Additional Information

Pass Quality Tested Guaranteed

Store in a cool, dry place.

Global responsibility - Over the years we have donated to organizations that support the environment and the health of children. Questions: Contact consumer affairs 1-800-297-3273 Weekdays 8:00 AM to 5:00 PM (PST) 100+ highly specialized products: www.IrwinNaturals.com

Full disclosure ingredient panel

Product Details

UPC / SKU 8 40081 40711 0
DSLD Entry Date 2025-04-24
Product Type Other Combinations
Form Softgel Capsule
DSLD ID 323290
Data Updated 2026-04-11

Research Evidence

40 Research Sources
54 Avg Quality Score
16 Rct
12 Meta Analysis
7 Clinical Trial
5 Systematic Review
A Glutamine supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2014
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017
B Glutamine for induction of remission in Crohn's disease
Systematic Review The Cochrane database of systematic reviews 2016
B Human growth hormone and glutamine for patients with short bowel syndrome
Systematic Review The Cochrane database of systematic reviews 2010
B Immunonutrition as an adjuvant therapy for burns
Meta Analysis The Cochrane database of systematic reviews 2014
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2008
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2016
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2016
B Glutamine supplementation for young infants with severe gastrointestinal disease
Meta Analysis The Cochrane database of systematic reviews 2014
B Glutamine supplementation to prevent morbidity and mortality in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2012
View all evidence for Glutamine →