🟢 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

4 Capsule(s) Serving Size
20 Servings
Botanical with Nutrients Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Calcium
50 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 2500mg
100 mg
📊 Market median: 500.0mg (357 products) 📚 1 studies — no high-quality reviews
This product: 100mg
📊 Market median: 500.0mg (357 products) 📚 1 studies — no high-quality reviews
This product: 100mg

Other Ingredients

Gelatin Vegetable Magnesium Stearate Silicon Dioxide Cellulose

Label Claims — Verification

All Other
Structure/Function
All Other (100% of products) Structure/Function (91% of products) Nutrient (35% of products)

Target Groups

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

Product Information

📋 Directions for Use

Directions: Adults - Take four capsules daily, preferably with food, as a dietary supplement.

⚠️ Warnings & Precautions

Contraindications: Extracts from maca might act like estrogen. If you have any medical conditions that may get worse from exposure to estrogen, do not use these extracts.

If you are taking any medications or have any medical condition, consult your physician before use.

Discontinue use and consult your physician if any adverse reactions occur.

Keep out of reach of children.

Tamper-Evident Seal: Do not use product if seal appears tampered.

🧪 Formulation Notes

May support stamina & endurance

Guaranteed no added: Sugar, yeast, soy, wheat, dairy, gluten, fish, tree nuts, peanuts, egg, fragrance, artificial colors or flavors, preservatives, crustacean shellfish. Sodium free.

Caution: This product is intended for men only and not for women.

Gluten free Soy free

Additional Information

Mason guarantee Laboratory Tested cGMP Certified Good Manufacturing Practice

Certified N Mason natural Est. 1967

Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).

Please recycle

Product Details

UPC / SKU 3 11845 13498 1
DSLD Entry Date 2021-04-22
Product Type Botanical with Nutrients
Form Capsule
DSLD ID 244894
Data Updated 2026-04-11

Research Evidence

45 Research Sources
52 Avg Quality Score
12 Rct
11 Systematic Review
11 Meta Analysis
11 Clinical Trial
A Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Meta Analysis The Cochrane database of systematic reviews 2017
A Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Meta Analysis The Cochrane database of systematic reviews 2017
B Nutritional interventions for treating foot ulcers in people with diabetes
Meta Analysis The Cochrane database of systematic reviews 2020
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute stroke
Systematic Review The Cochrane database of systematic reviews 2002
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2007
B The Effect of Amino Acids on Wound Healing: A Systematic Review and Meta-Analysis on Arginine and Glutamine
Meta Analysis Nutrients 2021
B Nitric oxide donors (nitrates), L-arginine, or nitric oxide synthase inhibitors for acute ischaemic stroke
Systematic Review The Cochrane database of systematic reviews 2000
B Dietary Supplements for Erectile Dysfunction: Analysis of Marketed Products, Systematic Review, Meta-Analysis and Rational Use
Meta Analysis Nutrients 2023
B Arginine supplementation for prevention of necrotising enterocolitis in preterm infants
Systematic Review The Cochrane database of systematic reviews 2004
B An Analysis of Popular Online Erectile Dysfunction Supplements
Systematic Review The journal of sexual medicine 2019
View all evidence for L Arginine →

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