Harness Pre-Workout Big Apple by ARN Arms Race Nutrition — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
57% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

12 fl. Oz. Serving Size

1 Servings

Other Combinations Product Type

57% Evidence Coverage

Supplement Facts — Evidence Check

L-Citrulline

5000 mg

📊 Market median: 2000.0mg (275 products)

Median 2000.0mg This product: 5000mg

Beta-Alanine

3200 mg

📊 Market median: 1500.0mg (104 products) 📚 21 studies (Tier A: 0, B: 2)

This product: 3200mg

Alpha-Glycerylphosphorylcholine

300 mg

✅ Within RDA (0.5× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)

RDA 550mg This product: 300mg UL 3500mg

Caffeine Anhydrous

300 mg

📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)

This product: 300mg UL 400mg

ElevATP

150 mg

Dicaffeine Malate

75 mg

📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)

This product: 75mg UL 400mg

Huperzia serrata Leaf, Stem Extract

10 mg

📊 Market median: 0.15mg (41 products)

Median 0.15mg This product: 10mg

Other Ingredients

Water, Filtered Citric Acid Malic Acid Natural & Artificial Flavors Sucralose Sodium Hexametaphosphate Acesulfame Potassium Potassium Sorbate Sodium Benzoate Calcium Disodium Ethylenediaminetetraacetic acid

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (97% of products) Structure/Function (91% of products) Nutrient (29% of products) No Claim (2% of products)

Target Groups

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

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take one (1) serving (12 fl. oz.) 15-30 min prior to your workout. Do not exceed one (1) serving within a 24 hour period.

⚠️ Warnings & Precautions

Do not exceed one (1) serving within a 24 hour period.

Warning: Keep out of reach of children. Do not use this product if you are under the age of 18.

Do not take if you have a preexisting medical condition or are taking any medications. Do not use if you are pregnant or nursing.

As with any dietary supplement, consult a healthcare professional before using this product. Immediately discontinue use and consult a healthcare professional if you experience any adverse reactions. Do not purchase if outer seal is broken or damaged.

Warning: This product may expose you to chemicals including lead known to the state of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov

🧪 Formulation Notes

Fresh

Green apple flavor

Big Apple naturally & artificially flavored

elevATP Strength. Power. Performance.

Additional Information

Old school dedication Modern science

Product Details

UPC / SKU 8 50051 03162 7

DSLD Entry Date 2025-05-21

Product Type Other Combinations

Form Liquid

Brand ARN Arms Race Nutrition

DSLD ID 328364

Data Updated 2026-04-11

Research Evidence

12 Research Sources

45 Avg Quality Score

6 Rct

5 Clinical Trial

1 Meta Analysis

C Effect of food sources of nitrate, polyphenols, L-arginine and L-citrulline on endurance exercise performance: a systematic review and meta-analysis of randomised controlled trials

Meta Analysis Journal of the International Society of Sports Nutrition 2021

PubMed DOI

C Effects of L-Citrulline Supplementation on Endothelial Function and Blood Pressure in Hypertensive Postmenopausal Women.

Rct Nutrients

PubMed DOI

C Effects of Acute Citrulline Malate Supplementation on CrossFit® Exercise Performance: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Study.

Rct Nutrients

PubMed DOI

C Impact of L-Citrulline Supplementation and HIIT on Lipid Profile, Arterial Stiffness, and Fat Mass in Obese Adolescents with Metabolic-Dysfunction-Associated Fatty Liver Disease: A Randomized Clinical Trial.

Rct Nutrients

PubMed DOI

C Effect of L-Citrulline Supplementation on NAFLD in Adolescents With Obesity

Clinical Trial ClinicalTrials.gov 2021

ClinicalTrials.gov

C Effects of L-Citrulline or Citrulline-malate on Neuromuscular Performance in Resistance-trained Adults

Clinical Trial ClinicalTrials.gov 2022

ClinicalTrials.gov

C Acute effects of Nitrosigine® and citrulline malate on vasodilation in young adults.

Rct Journal of the International Society of Sports Nutrition

PubMed DOI

C Effects of Combined Versus Single Supplementation of Creatine, Beta-Alanine, and L-Citrulline During Short Sprint Interval Training on Basketball Players' Performance: A Double-Blind Randomized Placebo-Controlled Trial.

Rct International journal of sports physiology and performance

PubMed DOI

C Acute effects of combined supplementation of L-arginine and citrulline malate on aerobic, anaerobic, and CrossFit exercise performance.

Rct Scientific reports

PubMed DOI

C L-Citrulline in Peripheral Artery Disease

Clinical Trial ClinicalTrials.gov 2016

ClinicalTrials.gov

View all evidence for Citrulline →