🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 43% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

4 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
43% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
25 mg (28% DV)
7 mg (412% DV)
📊 5.4× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 7mg UL 100mg
300 mg (71% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 300mg
20 mg (182% DV)
✅ 1.8× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 20mg UL 40mg
ISA-Test GF
1714 mg
Somatrin
325 mg
Isaflow
100 mg

Other Ingredients

Gelatin Magnesium Stearate Silicon Dioxide Microcrystalline Cellulose FD&C Red #40 Candurin Silver FD&C Red #3 FD&C Blue #1

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult Male (18-50 Years)

Product Information

📋 Directions for Use

Directions For Use: As a dietary supplement, men take 4 capsules with a full glass of water one hour prior to training. On non-training days, take 4 capsules one hour prior to bedtime. Take with or without food. For best results, use continuously for a minimum of 8 weeks. Isa-Test GF can be used on its own or in combination with other iSatori supplements.

⚠️ Warnings & Precautions

Warning: Keep out of reach of children.

Women should not use this supplement.

Not intended for individuals under the age of 18, unless instructed by a doctor.

Use only as directed. Do not exceed suggested daily dose.

If you are taking medications or have a medical condition, consult a physician before using this product.

Discontinue use 2 weeks prior to surgery. If you or your doctor have any questions about this product, please call 1-866-668-7679. Do not use if packaging has been tampered with.

California residents - Warning: Cancer and reproductive harm - www.P65Warnings.ca.gov/Food

🧪 Formulation Notes

Powerful multi-phase test booster for muscle, libido, strength and performance!

Isa-Test GF is high performance testosterone booster comprised of a precise combination of natural ingredients shown to support increases in testosterone and a reduction in the "female-hormone" estrogen.

Isa-Test GF is deigned to promote noticeable gains in strength, increased muscle mass, and improved sexual drive and performance.

EI-450 Estrogen inhibitor SOMATRIM ISAFLOW

Made in the USA from international and domestic ingredients.

Testosterone support + anti-estrogen

Muscle Libido Strength Performance

Additional Information

Made in the USA

For scientific references on ingredients in Isa-Test GF, visit iSatori.com/Isa-Test

Store in a cool dry place. Avoid excessive heat.

(Stock symbol: FTLF)

Product Details

UPC / SKU 8 83488 00507 7
DSLD Entry Date 2020-05-22
Product Type Other Combinations
Form Capsule
Brand iSatori
DSLD ID 217093
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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