LifeSource Vitamins Pre Workout Formula — Citrus Splash, 10.6 oz Powder — Supports Athletic Performance & Endurance*
LifeSource Vitamins Pre Workout Formula combines clinically studied Creatine Monohydrate, CarnoSyn® Beta-Alanine, L-Citrulline Malate, L-Arginine Alpha-Ketoglutarate (AAKG), plus a natural energy blend with Vitamin B12 and Guarana seed to support power, training volume, and fast recovery. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency & purity.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. In addition, we reference reviews from 39 respected health organizations and insights from 20 leading universities worldwide to ensure our guidance aligns with credible science.*
Clinically Studied Benefits
✓ Creatine increases maximal strength & power — Improves high-intensity exercise performance (position stand & meta-analyses).
JISSN Position Stand, 2017
✓ Beta-Alanine (CarnoSyn®) raises muscle carnosine — Enhances buffering capacity and exercise performance in 1–4-min high-intensity efforts.
JISSN Review, 2015
✓ Citrulline Malate reduces post-exercise soreness & increases training volume — In resistance exercise.
NIH/PubMed — Pérez-Guisado, 2010
✓ Creatine supports faster recovery of force production — Mitigates markers of muscle damage between bouts.
NIH/PubMed — Rawson & Venezia, 2021
✓ L-Arginine / AAKG contributes to nitric-oxide pathways — Some trials note improved blood flow/perfusion (results vary).
NIH/PMC — Bailey, 2020
Additional / Promising Evidence
✓ Beta-Alanine may reduce perceived fatigue & improve training volume — In repeated high-intensity sets.
NIH/PMC — De Andrade-Silva, 2015
✓ Creatine plus resistance training supports lean mass gains — Vs. training alone (various RCTs & umbrella reviews).
NIH/PMC — Antonio, 2021
✓ Citrulline improves exercise tolerance & time-to-exhaustion — In endurance-type efforts.
Journal of Sport & Health Science, 2020
✓ Guarana (natural caffeine & polyphenols) aids alertness & perceived energy — During exertion.
NIH/PMC — Scholey, 2023
University-Led & Academic Studies
✓ University-led RCTs/meta-analyses — Consistent strength and power benefits from creatine in athletes.
JISSN Position Stand
✓ Academic sports-science groups — Beta-Alanine increases muscle carnosine and improves high-intensity work capacity.
JISSN Review
✓ University trials — Citrulline Malate supports volume and reduces soreness in resistance exercise.
NIH/PubMed — Pérez-Guisado, 2010
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, MIT, the University of Florida, Oregon State University – Linus Pauling Institute, Tufts, Boston University, Cornell, Columbia, Ohio State — to align with credible science.*
Key Ingredients
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Creatine Monohydrate — Increases intramuscular phosphocreatine for rapid ATP resynthesis (JISSN Position Stand, 2017).
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CarnoSyn® Beta-Alanine — Patented beta-alanine; raises muscle carnosine to buffer acidity during intense work (JISSN Review, 2015).
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L-Citrulline Malate — Supports NO production; improves volume and reduces soreness (Pérez-Guisado, 2010).
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L-Arginine Alpha-Ketoglutarate (AAKG) — NO pathway support; blood-flow/perfusion effects reported (Bailey, 2020).
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Vitamin B12 & Guarana — Natural energy support and alertness during training (Scholey, 2023).
Brief Benefit Bullets
- Creatine for strength, power & working-set performance*
- CarnoSyn® Beta-Alanine for muscle buffering & high-intensity capacity*
- Citrulline Malate for training volume & reduced soreness*
- AAKG to support nitric-oxide pathways & muscle perfusion*
- Natural energy blend with Vitamin B12 & Guarana
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3rd-party lab tested for purity & potency
Suggested Use
Mix 1 scoop with 8–10 oz cold water and consume 15–30 minutes before training. Start with ½ scoop to assess tolerance. Use on training days only. Do not exceed 1 serving per day. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
• Serving Size — 1 scoop (≈ 20 g)
• Servings Per Container — 15
• Form — Powder • Flavor — Citrus Splash
• Free From — Artificial colors & sucralose; sweetened with stevia*
• Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Pre-Workout Formula — Creatine, CarnoSyn® Beta-Alanine, Citrulline Malate & AAKG for strength, endurance & recovery. Natural energy (B12 + Guarana). Non-sucralose. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
