PRECISION INEVERY INGREDIENT
Every compound we formulate with is chosen for a reason. Explore the clinical mechanisms, performance applications, and practitioner guidance behind our core ingredients — researched and validated for elite athletes.
The most extensively researched ergogenic supplement — creatine monohydrate saturates the phosphocreatine system for rapid ATP regeneration, supporting muscle strength, brain energy, and healthy body composition.
Creatine monohydrate is phosphorylated to phosphocreatine (PCr) by creatine kinase in tissues with high and fluctuating energy demands — skeletal muscle, brain, and heart. PCr donates its phosphate group to ADP to rapidly regenerate ATP during high-intensity efforts (the phosphocreatine shuttle). This is the fastest ATP regeneration pathway, operating 10× faster than oxidative phosphorylation. Creatine also increases intracellular water retention (cell volumization), which acts as an anabolic signal for muscle protein synthesis. In the brain, creatine supports neuronal ATP availability for cognitive processing, memory formation, and neurological health under metabolic stress.
- Saturates the phosphocreatine system for rapid ATP regeneration during high-intensity activity
- Supports gains in muscle strength and lean body mass with resistance training
- Promotes healthy body composition through cell volumization and anabolic signaling
- Supports brain energy metabolism — promotes cognitive processing under stress and sleep disruption
- Well-established safety profile — the most extensively studied ergogenic supplement
- Supports healthy aging — emerging evidence for muscle maintenance in older adults
The essential building blocks of muscle, enzyme, and immune proteins — a complete amino acid profile supports anabolism, recovery, and whole-body protein homeostasis.
Essential amino acids (EAAs) — leucine, isoleucine, valine, lysine, methionine, phenylalanine, threonine, tryptophan, and histidine — cannot be synthesized de novo and must be supplied exogenously. Leucine is the primary anabolic signal: it activates mTORC1 (mechanistic target of rapamycin complex 1) — the master regulator of ribosomal protein translation — independently of insulin. Free-form EAAs are absorbed within 20–30 minutes, providing a rapid substrate pool for muscle protein synthesis at moments of elevated demand: post-exercise, post-fasting, and during recovery from illness or surgery.
- Activates mTORC1 signaling — stimulates muscle protein synthesis independent of food intake
- Helps preserve lean muscle mass during caloric restriction, illness, and aging
- Provides complete substrate pool for rapid post-exercise tissue repair
- Maintains positive nitrogen balance during physiological stress states
- Supports immune protein synthesis — antibody, cytokine, and enzyme production
- Free-form absorption is faster than protein food digestion — ideal for acute supplementation
A cofactor in over 300 enzymatic reactions — governing ATP synthesis, nerve signaling, muscle relaxation, and restorative sleep quality.
Magnesium is an essential cofactor for ATP synthesis — all cellular ATP exists primarily as Mg-ATP complexes, making it indispensable for every energy-requiring process. It regulates NMDA glutamate receptor gating (blocking excessive excitatory signaling), governs calcium channel activity in muscle tissue (enabling contraction-relaxation cycles), modulates HPA axis reactivity, and is required for the synthesis and activation of vitamin D, parathyroid hormone, and over 300 enzymes involved in energy, protein, and nucleic acid metabolism.
- Supports mitochondrial ATP production across all tissue types
- Promotes muscle relaxation and reduces cramp frequency and severity
- Enhances sleep quality and deep-sleep architecture via NMDA and GABA modulation
- Promotes cardiovascular health - including healthy systolic and diastolic blood pressure
- Supports bone strength as a key structural co-mineral alongside calcium
- Modulates cortisol secretion and physiological stress response
Maintaining fluid and electrical homeostasis across cells — hydration, nerve conduction, and muscular contraction all depend on precise electrolyte balance.
Electrolytes — sodium, potassium, chloride, magnesium — maintain osmotic balance across cell membranes, generate electrical potentials required for nerve impulse transmission, and regulate fluid compartment distribution. Sodium is the primary extracellular cation driving water retention and plasma volume. In exercise, sweat-mediated electrolyte losses impair all of these functions in a dose-dependent manner.
- Maintains plasma volume and cardiac output during prolonged exercise
- Prevents performance-degrading hyponatremia in ultra-endurance events
- Reduces heat cramp incidence by maintaining neuromuscular thresholds
- Supports cognitive function and motor control under dehydration stress
- Accelerates post-exercise fluid restoration
The preferred metabolic fuel of intestinal enterocytes — L-Glutamine repairs the gut lining, maintains mucosal immune health, and preserves barrier integrity under physiological stress.
Glutamine is the most abundant free amino acid in plasma and the primary metabolic fuel for rapidly dividing intestinal enterocytes and immune cells (lymphocytes, macrophages). During physiological stress states — surgery, critical illness, intense training, gut inflammation, or psychological stress — plasma glutamine is rapidly depleted, compromising enterocyte energy production. Supplementation maintains tight junction protein expression (claudin-1, occludin, ZO-1), preserving paracellular permeability, sustains secretory IgA production at mucosal surfaces, and supports rapid cellular proliferation required for epithelial repair.
- Fuels enterocyte ATP production and supports rapid intestinal epithelial turnover
- Maintains tight junction protein expression — reduces intestinal permeability
- Supports mucosal IgA production and gut-associated immune defense
- Preserves lean muscle mass as a conditionally essential amino acid under stress
- Supports nitrogen balance and immune function in hospitalized and critically ill patients
The body's most abundant structural protein — collagen peptides support joint integrity, bone matrix, skin firmness, and connective tissue repair throughout the body.
Hydrolyzed collagen peptides are absorbed as di- and tripeptides from the intestinal lumen and transported to target tissues — particularly cartilage, skin, tendons, and bone — where they accumulate and stimulate fibroblast and chondrocyte collagen synthesis via pro-collagen signaling pathways. Type I collagen provides the fibrillar scaffold for bone osteoid matrix, skin dermis, and tendon structure. Type II collagen (undenatured, UC-II) acts via a different mechanism — oral tolerance induction in gut-associated lymphoid tissue modulates cartilage-specific immune responses. Vitamin C is an obligate cofactor for lysyl and prolyl hydroxylases that cross-link collagen triple helices.
- Stimulates chondrocyte and fibroblast collagen synthesis — supports normal cartilage regeneration
- Supports joint health and comfort
- Supports bone osteoid matrix and mineral integration
- Helps reduce skin wrinkle depth and improves elasticity — RCT evidence at 2.5–10g/day
- Supports gut mucosal lining — collagen-rich foods traditionally used for GI healing
- Supports tendon and ligament structure and integrity
Botanical HPA axis regulators — adaptogens normalize cortisol secretion patterns, buffer the neuroendocrine stress response, and restore vitality in adrenal fatigue states.
Adaptogenic herbs (Ashwagandha, Rhodiola rosea, Panax ginseng, Siberian ginseng/Eleuthero, Schisandra) act on the hypothalamic-pituitary-adrenal (HPA) axis and sympathoadrenal system to normalize cortisol secretion — blunting an excessive cortisol response to stress while supporting appropriate output in states of adrenal exhaustion. Mechanistically, they modulate glucocorticoid receptor sensitivity, upregulate heat shock proteins (Hsp70) that protect against cellular stress damage, modulate NPY (neuropeptide Y) and nitric oxide pathways, and reduce oxidative stress in adrenal tissue.
- Promotes normal cortisol patterns, avoiding both excessive and insufficient output
- Helps reduce perceived stress, occasional anxiety, and stress-induced fatigue
- Supports adrenal tissue health during occasional stress and HPA dysregulation
- Supports mental and physical endurance under high-demand conditions
- May support thyroid function — some adaptogens have mild stimulatory effects on thyroid hormone output
A natural sugar that fuels ATP regeneration for cardiac, muscular, and mitochondrial energy.
D-Ribose is a naturally occurring pentose sugar that serves as the ribosyl moiety of adenine nucleotides (ATP, ADP, AMP). Unlike glucose, which enters glycolysis requiring multiple enzymatic steps before nucleotide synthesis, D-ribose directly enters the ribose-5-phosphate synthesis pathway (pentose phosphate shunt), bypassing rate-limiting regulatory steps and providing rapid substrate availability for adenine nucleotide salvage and de novo synthesis. This is particularly valuable in energy-depleted states where myocardial adenosine nucleotide pools are depressed by ischemic injury or metabolic stress. Ribose accelerates ATP resynthesis via the adenine nucleotide salvage pathway (APRT, HGPRT) and upregulates nucleotide metabolism genes (PFK2, AMPK) through energy sensor activation, restoring intracellular ATP concentrations 3–5 fold faster than endogenous synthesis alone. This mechanism explains ribose's particular efficacy in muscular recovery post-exertion.
- Accelerates ATP regeneration in energy-compromised tissues
- Supports cardiac energy metabolism and contractile function
- Promotes muscular recovery and reduces exertion-induced fatigue
- Promotes mitochondrial ATP synthesis efficiency
- May improve exercise capacity and endurance performance
A conditionally essential amino acid critical for bile acid conjugation, cardiac contractility, osmoregulation, GABA-ergic neuromodulation, and cellular antioxidant defense across virtually every organ system.
Taurine is the most abundant free amino acid in excitable tissues — heart, brain, retina, and skeletal muscle. It stabilizes cell membranes through osmoregulation, modulates intracellular calcium homeostasis in cardiomyocytes, conjugates bile acids (taurocholate) for lipid digestion and cholesterol excretion, functions as an inhibitory neuromodulator potentiating GABA-A receptor activity, and directly scavenges hypochlorous acid and other reactive oxygen species. Taurine is synthesized endogenously from cysteine via cysteine sulfinic acid decarboxylase, but synthesis capacity is limited — particularly in neonates, the elderly, and individuals under metabolic stress.
- Supports cardiac contractility and healthy heart rhythm via calcium channel modulation
- Promotes healthy bile acid conjugation for lipid digestion and cholesterol excretion
- Functions as an inhibitory neuromodulator — potentiates GABA-A receptor activity for calming effects
- Supports retinal photoreceptor health and visual function
- Acts as a direct antioxidant scavenging hypochlorous acid in immune-active tissues
- Supports cellular osmoregulation and membrane stability under metabolic stress
Living microbial therapies that restore gut microbiome diversity — supporting immune education, mucosal barrier integrity, and digestive function.
Probiotic strains adhere to intestinal epithelial cells, competitively excluding pathogens through competitive exclusion and bacteriocin production. They stimulate secretory IgA (sIgA) production in gut-associated lymphoid tissue (GALT), modulate regulatory T-cell (Treg) activity to promote immune tolerance, and produce short-chain fatty acids (SCFAs — butyrate, propionate, acetate) that nourish colonocytes and maintain tight junction protein expression. Bifidobacterium and Lactobacillus strains also produce B vitamins, secondary bile acids, and neurotransmitter precursors that participate in gut-brain axis signaling via the vagus nerve.
- Restores microbiome diversity disrupted by certain medications, stress, and poor diet
- Stimulates sIgA and trains appropriate innate mucosal immune responses
- Produces SCFAs that nourish colonocytes and maintain gut barrier integrity
- Reduces IBS symptoms: bloating, cramping, diarrhea, and constipation
- Supports gut-brain communication and may improve mood and occasional anxious feelings
Long-chain EPA and DHA — the cornerstones of cellular membrane integrity, systemic inflammatory balance, and cardiovascular and neurological health.
EPA and DHA are incorporated into phospholipid membranes of every cell in the body, modulating membrane fluidity and receptor function. EPA competes with arachidonic acid for COX and 5-LOX enzyme binding, shifting eicosanoid production from pro-inflammatory (series-2 prostaglandins, series-4 leukotrienes) to anti-inflammatory species. Both EPA and DHA are precursors to specialized pro-resolving mediators (SPMs) — resolvins, protectins, and maresins — which actively terminate inflammatory cascades. DHA is essential for neuronal synaptic membrane fluidity, supporting neurotransmitter receptor density and brain-derived neurotrophic factor (BDNF) expression.
- Supports normal triglycerides - demonstrated at clinically relevant doses (2–4g EPA+DHA/day)
- Modulates systemic inflammatory response — decreases hs-CRP, IL-6, and TNF-α
- Supports neurological health, mood stability, and cognitive function via DHA
- Improves heart rate variability
- Supports joint comfort through prostaglandin and leukotriene pathway modulation
- Promotes healthy pregnancy outcomes and fetal brain/retinal development
Turmeric's principal polyphenol — curcumin modulates NF-κB and COX-2 signaling to promote normal inflammatory responses at the cellular transcription level.
Curcumin (diferuloylmethane) exerts support for normal inflammatory responses through multiple molecular targets. It inhibits IKKβ kinase, preventing NF-κB nuclear translocation and transcription of pro-inflammatory cytokines (TNF-α, IL-1β, IL-6, IL-8). It also inhibits COX-2 and 5-LOX enzymes, shifting eicosanoid production toward less inflammatory species. Additionally, curcumin activates Nrf2/Keap1 antioxidant response element pathways, upregulating heme oxygenase-1, glutathione peroxidase, and other cytoprotective enzymes.
- Promotes normal inflammatory markers: hs-CRP, IL-6, TNF-α, and NF-κB activity
- Supports joint comfort
- Helps activate Nrf2 pathway — upregulates endogenous antioxidant enzyme expression
- Supports gut mucosal health
- Supports liver health through normal inflammatory and choleretic effects
The brain's premier choline donor — Alpha-GPC delivers highly bioavailable choline for acetylcholine synthesis, neuronal membrane repair, and sharp cognitive clarity.
Alpha-glycerylphosphorylcholine (Alpha-GPC) is the most bioavailable oral choline compound, readily crossing the blood-brain barrier where it donates choline for two critical functions: acetylcholine (ACh) neurotransmitter synthesis — essential for learning, memory consolidation, and focused attention — and phospholipid membrane repair via incorporation into phosphatidylcholine. Choline also serves as a methyl group donor in one-carbon metabolism. Alpha-GPC has been studied for growth hormone secretagogue activity and may support neuroplasticity through BDNF upregulation.
- Provides directly bioavailable choline for acetylcholine synthesis and cognitive performance
- Supports working memory, attention, and information processing speed
- Promotes neuronal membrane phospholipid repair and structural integrity
- Acts as a methyl group donor supporting methylation and liver health
- May support normal growth hormone release — relevant for body composition and recovery
A targeted complex of mitochondrial cofactors — CoQ10, L-Carnitine, R-Lipoic Acid, Resveratrol, and Krebs cycle intermediates — designed to optimize cellular energy production and resilience.
CoQ10 acts as a mobile electron carrier in the mitochondrial electron transport chain — the primary site of ATP synthesis. L-Carnitine shuttles long-chain fatty acids across the inner mitochondrial membrane for beta-oxidation. R-Lipoic Acid is a universal antioxidant that regenerates vitamins C and E within mitochondria. Krebs cycle intermediates (malic acid, succinic acid) provide direct substrate for cellular energy production.
- Resveratrol + exercise (12 weeks) increased mitochondrial density, fatigue resistance, and power by 14% vs. 0% placebo in adults over 65
- L-Carnitine supplementation increased leg press repetitions and weight vs. placebo in 9-week study
- 200mg/day curcumin reduced DOMS and lactate buildup 48 hours post-exercise vs. placebo
- Supports efficient fat metabolism during endurance activities
- B vitamins support conversion of macronutrients into usable cellular energy
A steroid hormone precursor essential to bone integrity, immune function, and athletic performance — often deficient even in elite athletes, with meaningful impact on VO₂max and power output.
Vitamin D3 is converted to the active hormone calcitriol via the liver and kidneys. Calcitriol binds to vitamin D receptors (VDR) present in skeletal muscle, cardiac muscle, immune cells, and bone osteoblasts — regulating gene expression for hundreds of physiological processes. Vitamin K2 (MK-4) activates matrix Gla protein to direct calcium into bone and away from arterial walls, amplifying the bone and cardiovascular benefits of vitamin D.
- RCT: 2,000 IU/day vitamin D3 for 12 weeks improved VO2max, anaerobic and aerobic performance, and reduced fatigue index vs. placebo
- Cross-sectional study: men with vitamin D above 35 ng/mL showed 20% higher VO2max
- Systematic review of 482 athletes: vitamin D (2,000–7,000 IU/day) may support aerobic endurance, anaerobic power, and strength
- Vitamin K2 produced 12% increase in maximum cardiac output during exercise in athletes
- Vitamin D3 supplementation reduced bone resorption markers in female basketball players
An essential trace mineral and master immune regulator — zinc governs thymic T-cell development, immune defense, and the activity of over 300 enzymes.
Zinc is a structural component and catalytic cofactor in over 300 enzymes and participates in transcriptional regulation of more than 2,000 proteins. In the immune system, zinc is essential for thymulin production — the thymic hormone governing T-lymphocyte maturation and proliferation — and for natural killer (NK) cell cytotoxic activity. Zinc is also required for superoxide dismutase (Cu/Zn-SOD) antioxidant activity, insulin synthesis and storage, and testosterone production.
- Regulates T-lymphocyte and NK cell maturation and function
- Supports Cu/Zn-SOD antioxidant enzyme activity for oxidative protection
- Essential for wound healing, skin barrier integrity, and collagen cross-linking
- Maintains taste and smell acuity — deficiency causes anosmia and hypogeusia
- Supports testosterone synthesis and male reproductive health
A clinically researched blend of botanicals, neurotransmitter precursors, and melatonin — supporting sleep onset, continuity, and recovery quality for athletes who train hard and sleep harder.
Sleep Complex uses multiple synergistic mechanisms. Melatonin directly regulates circadian rhythm and promotes sleep onset. GABA is the primary inhibitory neurotransmitter — it slows neuronal excitability and supports both sleep onset and maintenance. L-Theanine promotes alpha-wave brain states and works synergistically with GABA to reduce sleep latency. 5-HTP is the direct precursor to serotonin and melatonin, with Vitamin B6 (P-5-P) serving as the essential cofactor for this conversion.
- Systematic review of 25 studies (225+ athletes): extending sleep by just 46–113 minutes/night positively impacted physical and cognitive performance
- Triple-blind study: 540mg valerian extract twice daily for 4 weeks produced 30% improvement in insomnia vs. 4% placebo
- Meta-analysis (772 subjects): chamomile supplementation reduced nighttime awakenings and improved ease of falling asleep
- Melatonin 0.3–10mg/day helped healthy adults experience less jet lag and insomnia
- GABA + L-Theanine combination decreases sleep latency and improves NREM sleep more than either alone
A concentrated blend of greens, vegetables, fruits, digestive enzymes, and prebiotics designed to fill the nutrient gaps that high training loads create — without artificial stimulants or added sugar.
Phytonutrient-dense greens (spirulina, chlorella, barley grass, wheat grass, nettle leaf) provide vitamins, minerals, chlorophyll, and amino acids that support energy production and recovery. Polyphenol-rich fruits and the OxyPhyte® grape seed and skin extract (high ORAC score) deliver concentrated antioxidant compounds that support the body's defense against exercise-induced oxidative stress. Prebiotic fiber nourishes beneficial gut bacteria, while digestive enzymes enhance nutrient breakdown and absorption.
- Supports antioxidant status and cellular resilience during periods of high training load
- Promotes digestive health, regularity, and gut microbiome support via prebiotic fiber and digestive enzymes
- Supports energy, vitality, and metabolic function without artificial stimulants
- Helps fill micronutrient gaps caused by training-induced demand
- OxyPhyte® grape blend supports healthy cellular metabolism, aging, and recovery
Practitioner & Clinical Disclaimer: The information on this page is intended for use by licensed healthcare practitioners and informed athletes. It does not constitute medical advice and should not replace individualized clinical assessment. All Designs for Sport products are NSF Certified for Sport® unless otherwise noted. *These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.