🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 21% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

7.5 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
21% Evidence Coverage

Supplement Facts — Evidence Check

6 Gram(s)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 6mg
3.2 Gram(s)
📊 Market median: 1500.0mg (104 products) 📚 21 studies (Tier A: 0, B: 2)
This product: 3.2mg
1 Gram(s)
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 1mg
Agmatine Sulfate
1 Gram(s)
📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews
This product: 1mg
1 Gram(s)
📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews
This product: 1mg
Alpha GPC
500 mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 250mg UL 400mg
Norvaline
200 mg
✅ Within RDA (0.3× RDA of 420 mg)
RDA 420mg This product: 125mg UL 350mg
2 Aminoisoheptaine
100 mg
Theobroma cacao extract
100 mg
BioPerine Black Pepper fruit extract
3 mg
Rauwolscine
2 mg

Other Ingredients

Disodium Phosphate Sucralose Acesulfame-K Maltodextrin Silica

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)

Product Information

📋 Directions for Use

Directions: Mix one scoop in 8-10 oz of water 30 minutes prior to workout. New users or those who are sensitive to stimulants may want to start with 1/2 scoop to assess tolerance. Keep well hydrated.

⚠️ Warnings & Precautions

Warnings: Not intended for use by persons under age 18.

Do not exceed recommended dose.

Do not consume synephrine or caffeine from other sources, including but not limited to, coffee, tea, soda and other dietary supplements or medications containing phenylephrine or caffeine.

Contains caffeine. Do not use for more than 8 weeks.

Consult with your physician prior to use if you are pregnant or nursing, or if you are taking medications, including but not limited to MAOI inhibitors, antidepressants, aspirin, nonsteroidal, anti-inflammatory drugs or other products containing phenylephrine, ephedrine, pseudoephedrine, or other stimulants.

Consult your physician prior to use if you have a medical condition, including but not limited to, heart, liver, kidney, or thyroid disease, psychiatric or epileptic disorders, difficulty urinating, diabetes, high blood pressure, cardiac arrhythmia, recurrent headaches, enlarged prostate or glaucoma. Discontinue 2 weeks prior to surgery or if you experience rapid heartbeat, dizziness, severe headache or shortness of breath, Do not use if safety seal is broken or missing.

Note: Please do not use is combination with other dietary supplements, pharmaceuticals, foods that are considered to be stimulants.

Always check the warning label before using.

🧪 Formulation Notes

Contains caffeine.

Additional Information

Increased neuro focus Shredded muscle pumps Freakish strength & endurance Intense jitter free energy Water and fat loss Mood enhancement

New enhanced formula Premium loaded pre-workout formula 30 servings Natural and artificially flavored

ASI Food safety FDA registered facility GMP Good Manufacturing Practice Made in U.S.A.

Jack The Ripper is not owned or affiliated by Hi-Tech Pharmaceuticals, Inc. and/or Jack'd Up.

Product Details

UPC / SKU 6 47732 62566 0
DSLD Entry Date 2018-06-25
Product Type Other Combinations
Form Powder
Brand 8WeeksOut
DSLD ID 178508
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
C Effects of L-Citrulline Supplementation on Endothelial Function and Blood Pressure in Hypertensive Postmenopausal Women.
Rct Nutrients
C Effects of Acute Citrulline Malate Supplementation on CrossFit® Exercise Performance: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Study.
Rct Nutrients
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
C Effect of L-Citrulline Supplementation on NAFLD in Adolescents With Obesity
Clinical Trial ClinicalTrials.gov 2021
C Effects of L-Citrulline or Citrulline-malate on Neuromuscular Performance in Resistance-trained Adults
Clinical Trial ClinicalTrials.gov 2022
C Acute effects of Nitrosigine® and citrulline malate on vasodilation in young adults.
Rct Journal of the International Society of Sports Nutrition
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
C Acute effects of combined supplementation of L-arginine and citrulline malate on aerobic, anaerobic, and CrossFit exercise performance.
Rct Scientific reports
C L-Citrulline in Peripheral Artery Disease
Clinical Trial ClinicalTrials.gov 2016
View all evidence for Citrulline →

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