StackShop
Performance

Performance stack

The performance stack is grounded in some of the most replicated research in all of supplement science. Unlike many categories where the clinical evidence is thin or preliminary, the core performance compounds — creatine, citrulline, and the foundational amino acids — have decades of research behind them across thousands of subjects.

Creatine monohydrate is the most researched supplement in history and probably the most under-appreciated. It works by replenishing phosphocreatine stores in muscle tissue, enabling faster ATP regeneration during high-intensity efforts. The strength and power benefits are well established, but the cognitive effects are less commonly discussed: creatine also increases phosphocreatine in the brain, and multiple studies have shown measurable improvements in working memory and cognitive performance — particularly under sleep deprivation. 5g/day is the effective dose; loading is optional. Quality matters: Thorne's creatine carries NSF Certified for Sport certification, meaning it's been independently tested for banned substances and label accuracy.

L-Citrulline DL-Malate is the pre-workout compound that actually works. Citrulline is converted to arginine in the kidney, which in turn drives nitric oxide production — increasing vasodilation, blood flow, and the oxygen and nutrient delivery that defines "pump." It also buffers ammonia, delaying muscular fatigue. At 6–8g pre-workout, the performance and endurance effects are consistent across studies. BulkSupplements' pure powder form delivers this without the proprietary blends, food dyes, and stimulants that crowd most commercial pre-workouts.

Recovery completes the picture: L-carnitine for fat metabolism and mitochondrial function, omega-3s for systemic inflammation management, and collagen peptides for connective tissue integrity. The performance stack isn't about peaks — it's about maintaining a training environment in which the body can consistently adapt.

T
Performance
Thorne
Creatine Monohydrate
Strength, cognition, and cellular energy. The most-researched supplement.
$43View →
OI
Sleep
Organic India
Ashwagandha KSM-66
Cortisol control, testosterone support, and sleep quality.
$22View →
B
Longevity
BulkSupplements
Boron Citrate
Testosterone, bone density, and cognition. Underrated biohacker mineral.
$15View →
Chocolate PB ProteinPerformance
Naked Nutrition
Chocolate PB Protein
Clean protein, no artificial ingredients.
$65View →
Collagen PeptidesPerformance
Vital Proteins
Collagen Peptides
Skin, joint, and hair health. The #1 collagen brand.
$35View →
L-Carnitine HClPerformance
BulkSupplements
L-Carnitine HCl
Fat metabolism, energy, and exercise recovery.
$22View →
L-Citrulline DL-Malate 2:1Performance
BulkSupplements
L-Citrulline DL-Malate 2:1
Pre-workout pump, blood flow, and endurance. Pure powder, no fillers.
$28View →
Nella Performance ProbioticPerformance
Fitbiomics
Nella Performance Probiotic
Athlete-derived probiotic strains for performance and gut health.
$45View →
Nettle LeafPerformance
Nature's Way
Nettle Leaf
SHBG binding and free testosterone support.
$14View →
NN
Longevity
Nordic Naturals
Omega-3 Fish Oil
Heart, brain, and inflammation support.
$30View →
DN
Longevity
DaVinci Naturals
POTEN-C Vitamin C 500mg
Immunity, collagen synthesis, and antioxidant protection.
$22View →
TaurineLongevity
BulkSupplements
Taurine
Heart health, electrolytes, and energy. A Bryan Johnson stack staple.
$18View →
ZincPerformance
Jarrow Formulas
Zinc
Immunity, testosterone, and skin health.
$12View →