🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 44% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

13.5 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
44% Evidence Coverage

Supplement Facts — Evidence Check

Potassium
100 mg (3% DV)
Calcium
25 mg (3% DV)
50 mg (13% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 50mg
145 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 145mg
5 Gram(s)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 5mg
3 Gram(s)
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 3mg
CarnoSyn
1.5 Gram(s)
1 Gram(s)
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 1mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 200mg UL 400mg

Other Ingredients

Citric Acid Malic Acid Natural and Artificial flavor Acesulfame Potassium Sucralose FD&C Blue No. 1

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (54% of products) Approved Health (3% of products)

Target Groups

Adult (18 - 50 Years) Women (not pregnant or lactating) Gluten Free

Product Information

📋 Directions for Use

Directions for Use: As a dietary supplement, mix 1 level scoop of Signature Pre Workout in 8oz. of cold water. Drink 30 minutes before workout.

⚠️ Warnings & Precautions

Warnings: Some individuals may experience a harmless tingling sensation, which is attributed to Beta-Alanine.

Consult your physician before using this product if you're taking any medications or are under a physician's care for a medical condition. Not for use by those under the age of 18 or women that are pregnant, trying to get pregnant or nursing.

Not for use by those under the age of 18 or women that are pregnant, trying to get pregnant or nursing.

Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat. Do not combine with alcohol. Consume as part of a healthy diet and exercise program, and drink at least 6-8 glasses of water per day. Exercising may increase the need for extra fluids. This product contains 200mg of caffeine per serving.

This product is not intended/recommended for children and those sensitive to caffeine.

This product is not intended/recommended for children and those sensitive to caffeine. Do not exceed recommended dose.

🧪 Formulation Notes

Every product is transparent, filler-free, and formulated with effective doses of research-backed ingredients you can trust.

Warnings: Some individuals may experience a harmless tingling sensation, which is attributed to Beta-Alanine.

Do not consume caffeine from other sources while taking this product as too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heartbeat.

This product contains 200mg of caffeine per serving.

Blue Raspberry Naturally and artificially flavored

Gluten and soy free

CarnoSyn Carnosine Synthesizer

Additional Information

A signature is a promise. A symbol of your identity. Your mark on the world. Bodybuilding.com was founded on a single promise: Trust. It’s who we are and it’s in our blood. Our Signature line is built on the same promise. Every product is transparent, filler-free, and formulated with effective doses of research-backed ingredients you can trust. We create the highest quality supplements, so you can focus on leaving a mark of your own.

Manufactured in the USA in a GMP registered facility with domestic and international ingredients. Contents may settle. Packed by weight, not by volume.

Increases energy and heightens focus Fuels athletic performance Delays the onset of muscle fatigue

Product Details

UPC / SKU 8 53002 00751 1
DSLD Entry Date 2019-10-23
Product Type Other Combinations
Form Powder
DSLD ID 207647
Data Updated 2026-04-11

Research Evidence

849 Research Sources
56 Avg Quality Score
450 Meta Analysis
152 Rct
137 Systematic Review
73 Clinical Trial
11 Regulatory Source
7 Other
7 Guideline
3 Openfda Safety
2 Cochrane Review
2 Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
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