🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 29% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

8 Gram(s) Serving Size
15 Servings
Other Combinations Product Type
29% Evidence Coverage

Supplement Facts — Evidence Check

Calories
20 {Calories} (1% DV)
Total Carbohydrates
4 Gram(s) (2% DV)
30 mg (150% DV)
✅ 2.1× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 30mg UL 35mg
4 mg (200% DV)
📊 3.1× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 4mg UL 100mg
Advanced Muscle-Building Complex
8 Gram(s)
PlasmaVol Plasma Expansion Matrix
5.78 Gram(s)
Core Focus Blend
634 mg

Other Ingredients

Natural & Artificial flavors Citric Acid Sucralose Acesulfame Potassium Silicon Dioxide Beta-Carotene

Label Claims — Verification

All Other
Structure/Function
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

DIRECTIONS FOR USE: As a dietary supplement, mix each scoop with 6 to 8 oz of water approximately 30 minutes before your workout. Start by assessing your tolerance for Pre-Gro by consuming only one scoop before your first workout. Then increase your scoops to two once tolerance has been assessed. Pre-Gro can be used on its own or with other iSatori supplements that do not contain caffeine or other stimulants.

⚠️ Warnings & Precautions

ALLERGEN INFORMATION: Contains milk product (colostrum).

WARNING: KEEP OUT OF REACH OF CHILDREN.

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

Do not use this product if you are pregnant, nursing, or contemplating pregnancy.

Consult a physician or healthcare professional before using this or any other dietary supplement or before beginning an exercise program.

Consult with your primary physician prior to use if you have any pre-existing medical conditions, or if you are using MAO inhibitors or taking any prescription or over-the-counter drug(s).

Discontinue use and consult a medical doctor if you experience any unusual symptoms. If you or your doctor has any questions about this product, please call 1-866-688-7679.

One serving (one scoop) of this product contains up to as much caffeine as a large cup of coffee. Do not combine with other caffeine sources, and do not exceed recommended serving. The contents of this formula may cause a blood-flow "flush" and/or a tingling sensation in the extremities of the body (e.g., fingers, ears, toes, etc.). This is normal, and you should not be alarmed. The "flush" and sensation should subside after one to two weeks of continuous use.

WARNING for California residents only: This product contains substances known to the state of California to cause cancer, birth defects, and other reproductive harm.

Use only as directed. Do not use if packaging has been tampered with.

🧪 Formulation Notes

3g BIO-GRO 3g HydroMax 3g CREATINE 2g Citrulline Malate 2g CARNOSYN 750mg NITROSIGINE All values based on 2 servings (scoops)

PLASMAVOL PUMP

ALLERGEN INFORMATION: Contains milk product (colostrum).

One serving (one scoop) of this product contains up to as much caffeine as a large cup of coffee.

Additional Information

Pre-Gro — It’s Gro Time!

Notice: Tested athletes should check with governing body(s) before use.

Along with the clinically tested Bio-Gro, the addition of a class-leading Plasma Expansion Complex will allow substantial blood volume increases which, when triggered by intense training, can drive a new level of volume to your pump.

iSatori 8-week Hyper-Growth Challenge $60,000 In Prizes

To get your FREE Hyper-Growth Training Plan, and to sign up for the Hyper-Growth Challenge, visit iSatori.com/HGC

(Stock Symbol: “IFIT”)

MADE IN THE USA

Made in the USA in a GMP Facility.

MANUFACTURED IN A GMP FACILITY

Push past your limits with the world's most innovative muscle-building pre-workout formula. Pre-Gro is scientifically engineered to support six critical benefits that maximize your performance and accelerate muscle growth.

CarnoSyn Carnosine Synthesizer

HydroMax

AstraGin

Nitrosigine

MUSCLE BUILIDNG PRE-WORKOUT IGNITER

MUSCLE - POWER - ENERGY

Naturally & Artificially Flavored 30 servings

NOTICE: Due to the nature of specific ingredients in Pre-Gro, clumping of the product is likely to occur in the bottle. Once mixed with water, the product naturally disperses and dissolves easily. Contents sold by weight, not volume. Settling may occur.

Store in a cool, dry place (60(0)F to 80(0)F).

For scientific studies on ingredients in Pre-Gro, visit iSatori.com/PreGro

260615

Maximize Your Workout and Build Muscle with PRE-GRO!

New Pre-Gro from iSatori prepares you to hit the weights with maximum intensity and build muscle at the same time.

Product Details

UPC / SKU 8 83488 00380 6
DSLD Entry Date 2016-07-25
Product Type Other Combinations
Form Powder
Brand iSatori
DSLD ID 58324
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

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