When to Take Pre-Workout: Evidence-Based Timing, Ingredient Strategies, and Practical Protocols for Better Performance

Table of Contents

1. Key Highlights:
2. Introduction
3. How pre-workouts deliver effects: pharmacokinetics and the 30–60 minute rule
4. Ingredient breakdown: caffeine, beta-alanine, creatine, and other common components
5. Pairing pre-workouts with food: carbohydrate timing and nutrient partitioning
6. Practical timing strategies for common training scenarios
7. Sleep, tolerance, genetics, and the individual: why the same protocol won’t work for everyone
8. Formulations, delivery methods, and gut considerations
9. Protocol examples and troubleshooting
10. Safety considerations and red flags
11. How to experiment and measure success
12. Real-world case studies
13. FAQ

Key Highlights:

• For most stimulants and focus compounds, a 30–60 minute pre-exercise window produces peak effects; individual metabolism and product formulation change that timing.
• Ingredient-specific approaches matter: caffeine and tyrosine have acute timing needs, beta-alanine requires daily loading, and creatine relies on sustained intake rather than immediate pre-exercise dosing.
• Sleep, tolerance, genetics, gut tolerance, and training goals should determine your pre-workout choice, dose, and schedule; track performance and sleep to refine timing.

Introduction

Pre-workout supplements occupy a fixed place in gym rituals worldwide: a scoop of powder, a quick shake, a sharp boost of focus before the first set. That ritual masks a more complicated reality. “When should I take my pre-workout?” is not a one-size-fits-all question. Optimal timing depends on the active ingredients, their absorption and mechanisms, your training objectives, and how your body reacts to stimulants and additives. The right timing can improve power output, delay fatigue, sharpen focus, and support higher training quality. The wrong timing can undermine sleep, cause gastrointestinal distress, or blunt training adaptations.

This article synthesizes pharmacokinetic evidence, practical dosing strategies, and real-world examples to produce clear, actionable guidance. Instead of generic rules, you’ll find specific protocols for common training scenarios, ingredient-by-ingredient timing considerations, safety boundaries, and troubleshooting advice so you can apply the science directly to your workouts.

How pre-workouts deliver effects: pharmacokinetics and the 30–60 minute rule

Pre-workout supplements are blends of stimulants, buffering agents, vasodilators, amino acids, and other compounds. Each ingredient has its own absorption profile and mechanism of action. Understanding pharmacokinetics—the time course of absorption, distribution, metabolism, and excretion—explains why many athletes follow the 30–60 minute guideline, and why that guideline must be adapted.

• Caffeine. Peak plasma concentrations occur roughly 30–60 minutes after ingestion for most formulations. Onset of perceptible effects often begins within 15–30 minutes. The elimination half-life varies, typically 3–6 hours in healthy adults, and is influenced by genetics, smoking, liver function, and certain medications. Expect meaningful stimulant effects for several hours after a dose.
• Amino acids and nitric oxide precursors. Compounds like L-citrulline and citrulline malate often reach effective circulating levels within 30–60 minutes, though their peak vasodilatory effects can vary by dose and formulation.
• Beta-alanine. Ergogenic benefit comes from increased intramuscular carnosine concentrations after days to weeks of consistent dosing, not from a single pre-exercise scoop. Acute ingestion produces tingling (paresthesia) but not the performance improvement that depends on chronic saturation.
• Creatine. Performance gains depend on intramuscular creatine stores. Those stores load over days to weeks with consistent dosing; timing immediately before a workout is of secondary importance.

The 30–60 minute rule is a useful starting point because it fits the absorption windows of most stimulants and vasodilators. But optimize timing by matching your window to the dominant active ingredients in your formula and to your personal digestion speed. Fast metabolizers often notice effects earlier and may prefer a 20–30 minute lead time; slower metabolizers or those on slower-release formulas may require a longer gap.

Ingredient breakdown: caffeine, beta-alanine, creatine, and other common components

An effective pre-workout strategy starts with knowing how each ingredient works, how quickly it acts, what dose is effective, and what side effects to expect. Below are the most commonly used ingredients and clear guidance for each.

Caffeine: acute stimulant, 30–60 minute peak, dose limits

• Mechanism and timing: Caffeine blocks adenosine receptors, reducing perceived effort and increasing alertness. Expect peak effects within 30–60 minutes, with residual effects for multiple hours depending on half-life.
• Effective dosing: 3–6 mg/kg body weight is a common ergogenic range for performance (e.g., a 75 kg athlete would use 225–450 mg). Many recreational pre-workouts deliver 150–300 mg per scoop.
• Safety and practical limits: For healthy adults the upper daily limit is generally cited at 400 mg; pregnant individuals should restrict to about 200 mg. Combine total daily intake from all sources (coffee, tea, energy drinks, pre-workouts). Beware stacked stimulants (DMAA, DMHA) that have safety concerns and are banned in some athletics.
• Tolerance and cycling: Habitual caffeine users may need higher doses for the same effect. Periodic cycling—reducing or abstaining for 1–2 weeks—resets sensitivity for many athletes.
• Genetic considerations: Variants in CYP1A2 influence caffeine clearance. Fast metabolizers clear caffeine quickly and may tolerate larger doses with fewer cardiovascular effects. Slow metabolizers feel effects longer and may require lower doses or longer timing gaps before sleep.

Beta-alanine: chronic buffering agent, daily consistency required

• Mechanism and timing: Beta-alanine raises muscle carnosine, improving buffering against acid buildup during high-intensity efforts. Performance improvements are a function of chronic supplementation, not immediate pre-exercise intake.
• Effective dosing: Typical daily ranges are 3–6 g per day. Building meaningful increases in muscle carnosine takes several weeks.
• Side effects: Single doses often cause paresthesia (skin tingling). The sensation is harmless. Reducing per-dose amount (e.g., 800 mg per serving), spreading intake over the day, or using sustained-release formulas minimizes tingling.
• Practical advice: If your pre-workout contains beta-alanine, consider supplementing additional beta-alanine across the day to reach target doses without uncomfortable sensations.

Creatine: saturation strategy over timing

• Mechanism and timing: Creatine increases intramuscular creatine and phosphocreatine, supporting repeated high-power efforts and recovery between sets. Benefits are cumulative and persist with consistent daily intake.
• Effective dosing: Maintenance dosing of 3–5 g per day is effective for most people. A loading phase (e.g., 20 g/day split into 4 doses for 4–7 days) accelerates saturation but is optional.
• Timing relevance: Immediate pre-workout creatine provides little acute benefit. Take creatine consistently at any convenient time—mix into a post-workout shake, morning beverage, or include in your pre-workout if it helps adherence.
• Safety: Creatine is well-researched and safe for healthy adults when taken at recommended doses. Ensure adequate hydration.

Nitric oxide boosters and vasodilators: citrulline, nitrate, and timing for pumps

• L-citrulline and citrulline malate: Effective doses for performance are often 6–8 g taken 30–60 minutes pre-exercise. Citrulline reliably raises arginine levels and enhances nitric oxide production more effectively than oral arginine.
• Dietary nitrate (beetroot): Nitrate doses to improve endurance performance are typically 6–8 mmol (about 300–500 mg nitrate) taken 2–3 hours pre-exercise for peak plasma nitrite. For repeated daily use, performance improvements can be sustained.
• Practical note: Choose the compound based on goals. For acute “pump” and short-term vasodilation, citrulline 30–60 minutes pre-session is practical. For endurance events, nitrate timing and dose require a longer pre-load.

Amino acids and focus agents: tyrosine, taurine, BCAAs

• L-tyrosine: Supports catecholamine production and may help cognitive focus under stress. Usual pre-workout dosing is 500–2,000 mg 30–60 minutes before training.
• Taurine: Included for cellular hydration and neuromodulation; doses range from 500–2,000 mg. Taurine doesn’t require special timing but can support hydration when taken near training.
• BCAAs: Their role as a pre-workout is debated; if total daily protein is adequate, extra BCAAs provide limited additional benefit. Timing does not matter for the majority of people who consume sufficient protein.

Stimulant blends and exotic compounds

• Proprietary blends may include multiple stimulants (e.g., caffeine, synephrine, yohimbine, DMHA). Each alters timing and side effect risk. Yohimbine has variable absorption and can potentiate anxiety; some athletes report noticeable effects within 15–30 minutes but also strong cardiovascular responses.
• Avoid products that combine untested stimulants or exceed recommended total stimulant loads. Read labels and calculate cumulative stimulant intake across all products.

Sweeteners, fillers, and botanicals: consider the gut

• Artificial sweeteners (sucralose, saccharin) and polyols (sorbitol, mannitol) sometimes cause GI distress in sensitive individuals. Polyols are common culprits for bloating and diarrhea.
• Some botanical extracts in pre-workouts can irritate the gut or interact with medications. If you have a sensitive stomach, try a low-additive product or test a half dose first.

Pairing pre-workouts with food: carbohydrate timing and nutrient partitioning

Food matters. The presence or absence of carbohydrates and the type of pre-workout can change both subjective experience and performance outcomes.

Carbohydrate co-ingestion for short, intense efforts

• Why it helps: A small carbohydrate serving produces rapid glucose availability and an insulin response that shuttles amino acids to muscle and can spare glycogen in short, high-intensity efforts. It also reduces the risk of lightheadedness during intense training when blood sugar dips.
• Practical dose: 15–30 g of a rapidly digestible carbohydrate (fruit, rice cake, sports gel) 30–60 minutes before exercise is effective for many athletes.
• Example: A sprinter or CrossFit athlete might take a scoop of pre-workout containing 200 mg caffeine plus a medium banana 30 minutes prior to a fast, intense session.

Fasted training and stimulants

• Many train fasted for fat-adaptation or convenience. Stimulant-based pre-workouts can preserve training intensity during a fasted session, but they may increase perceived jitteriness and GI upset if the gut is empty.
• If you train fasted and tolerate stimulants poorly, opt for a lower dose, ingest a small carbohydrate portion, or use a non-stimulant formula.

Endurance events and fueling strategy

• For longer sessions, prioritize carbohydrate availability during exercise. Nitrate-rich supplements may require 2–3 hours lead time, and carbohydrate intake becomes the dominant factor for sustained performance.
• Pre-workouts that emphasize stimulants without fueling benefits are less useful for multi-hour events.

Timing insulin and nutrient partitioning

• The insulin spike from a small carbohydrate can enhance nutrient uptake by muscle tissue. For resistance training aimed at hypertrophy, a modest carbohydrate pre-feed combined with consistent daily protein and creatine supports better recovery and adaptation over time.

Practical timing strategies for common training scenarios

Different sports and training goals require tailored strategies. Below are concrete, evidence-informed protocols for common situations.

Strength/power session (heavy lifting, short rest intervals)

• Primary goals: maximal force output, improved focus, reduced perceived exertion.
• Pre-workout protocol:
  • Caffeine: 3–6 mg/kg 30–45 minutes pre-exercise (adjust down if sensitive).
  • Creatine: 3–5 g/day as consistent maintenance (timing flexible).
  • Citrulline malate: 6–8 g 30–60 minutes pre-exercise for vasodilation.
  • Beta-alanine: ongoing 3–6 g/day (not necessary as a one-time pre-exercise dose).
  • Small carbohydrate (optional): 15 g for those training early or who experience energy dips.
• Example: A 90 kg powerlifter uses 270 mg caffeine (3 mg/kg) at 40 minutes pre-lift, plus 5 g creatine daily and 6 g citrulline malate 45 minutes before training.

High-intensity interval training (HIIT) and CrossFit

• Primary goals: repeated explosive efforts and rapid recovery.
• Pre-workout protocol:
  • Caffeine: 2–4 mg/kg 20–45 minutes before exercise.
  • Beta-alanine: chronic dosing.
  • Citrulline or nitrate: 30–60 minutes (citrulline) or 2–3 hours (nitrate) depending on chosen compound.
  • Small carbohydrate: 15–30 g 30–45 minutes prior if not training fasted.
• Example: A CrossFit athlete uses 200 mg caffeine 30 minutes before an open-style workout and avoids loading too many stimulants to reduce anxiety.

Endurance training (long runs, cycling)

• Primary goals: maintain steady power output and delay fatigue over long durations.
• Pre-workout protocol:
  • Caffeine: lower doses (2–3 mg/kg) 30–60 minutes pre-run for sustained alertness.
  • Nitrate/beetroot: ingest 2–3 hours pre-exercise for peak nitrite levels if using for endurance benefits.
  • Carbohydrate: 30–60 g in the 60 minutes prior for events longer than 60–90 minutes, and plan carbohydrate intake during exercise.
  • Avoid excessive stimulant loads that may increase perceived exertion or gastrointestinal issues over long durations.
• Example: A marathon runner consumes 2.5 mg/kg caffeine (~200 mg), 300 ml beetroot juice 2.5 hours pre-race, and a 30–60 g carbohydrate snack 45 minutes prior.

Morning fasted training

• Concerns: low circulating glucose, higher perceived effort, possible nausea with stimulants on empty stomach.
• Practical approach:
  • If you tolerate caffeine: 100–200 mg 20–40 minutes before, paired with 10–20 g carbohydrate if energy is low.
  • If you don’t tolerate stimulants: try non-stimulant pre-workouts, or a small meal 45–60 minutes prior.
• Example: A person training at 6:00 a.m. may take 150 mg caffeine at 5:30 a.m. plus half a banana at 5:45 a.m. to blunt lightheadedness.

Evening training and sleep management

• Issue: stimulants disrupt sleep if taken too late.
• Strategy:
  • Estimate stimulant half-life and back-calculate latest safe time. For a caffeine half-life of 5 hours, a 200 mg dose still leaves 100 mg in the system after 5 hours. If you need to be asleep by 11:00 p.m., avoid caffeine after 5:00–6:00 p.m. or use lower doses.
  • Consider stimulant-free pre-workouts that use citrulline, creatine, and beta-alanine instead of caffeine.
• Real example: A 9:00 p.m. lifter switches to a stimulant-free pump formula and takes creatine earlier in the day to protect sleep.

Competition day and peaking

• Keep pre-competition routines consistent. Trial any new timing or formula during training rather than on event day.
• If competition has strict anti-doping rules, verify each ingredient and compound against the sport’s banned list.

Sleep, tolerance, genetics, and the individual: why the same protocol won’t work for everyone

Timing decisions become personal once you account for sleep needs, stimulant sensitivity, genetic factors, baseline caffeine habits, and lifestyle.

Sleep and stimulant half-life

• Determine your personal “stimulant cutoff” by tracking how long caffeine affects sleep. Many athletes need to stop caffeine 6–8 hours before bedtime. Some slow metabolizers feel effects for longer and may need an earlier cutoff.
• Quality sleep is foundational for recovery and strength gains. When pre-workouts undermine sleep, reduce stimulant dose, move training earlier, or switch to stimulant-free options.

Tolerance and cycling

• Regular high-dose caffeine leads to tolerance. Cycling options:
  • Full rotation: 2–4 weeks on, 1–2 weeks off.
  • Dose cycling: reduce dose on non-key sessions and use higher dose only for maximal effort days.
• Cycling restores ergogenic response and reduces dependence.

Genetics: the CYP1A2 story

• CYP1A2 variants influence caffeine metabolism. Fast metabolizers gain endurance benefits and tolerate larger doses with less cardiovascular risk. Slow metabolizers may experience prolonged effects and increased risk of jitteriness and blood pressure elevation.
• Genetic testing can inform dosing, but practical experimentation with measured sleep and heart-rate responses is sufficient for many.

Age, medical conditions, and medications

• Older adults or those with cardiovascular conditions should use stimulants cautiously. Consult a clinician before routine high-dose caffeine use. Interactions with medications metabolized by the liver (including some antidepressants and oral contraceptives) can alter stimulant clearance.

Monitoring and biofeedback

• Keep a short training log: dose, timing, perceived focus, RPE, total volume, sleep duration, and GI symptoms. Look for patterns across 2–4 weeks and adjust accordingly.

Formulations, delivery methods, and gut considerations

Powder, ready-to-drink, capsule, or food-based: formulation affects absorption and side effects.

Formulation effects on timing

• Powders dissolved in water tend to act quickly; liquid concentrates can be even faster.
• Sustained-release formulas slow absorption and reduce peak-related side effects but may delay onset, requiring a longer lead time.
• Capsules are convenient for exact dosing but may have slightly delayed onset compared with liquids.

Sweeteners, fillers, and gut microbiome interactions

• Polyols (erythritol, sorbitol) and sugar alcohols cause digestive upset in some people when taken in concentrated pre-workout solutions.
• Artificial sweeteners like sucralose and saccharin have been linked in some studies to small shifts in gut microbiome composition. Evidence is evolving; athletes with sensitive digestion should try unflavored or minimally sweetened products.
• Fermented foods and a stable probiotic routine can promote gut resilience. Avoid novel or highly concentrated botanical blends before important competitions unless you’ve trialed them.

Hydration, osmolality, and gastric emptying

• Highly concentrated pre-workout drinks increase osmolality and slow gastric emptying. If you take a heavy dose, allow extra time before high-intensity efforts to avoid sloshing or nausea.
• Hydration status affects both tolerance and performance. A small volume of beverage with your pre-workout often suffices; avoid large fluid volumes right before lifting heavy to prevent discomfort.

Protocol examples and troubleshooting

Below are practical, step-by-step sample protocols and quick fixes for common problems.

Sample 1: Strength athlete who trains at 6:00 p.m., struggles with sleep

• Protocol:
  • 2–3 mg/kg caffeine at 5:15 p.m. (for a 90 kg lifter, ~180–270 mg).
  • 5 g creatine taken in the morning every day.
  • 6 g citrulline malate 45 minutes pre-training for pump and blood flow.
  • Stop caffeine by 6:00–6:30 p.m. to preserve sleep.
• Troubleshoot: If sleep still disrupted, reduce caffeine to 1–2 mg/kg or switch to a stimulant-free pump formula.

Sample 2: Morning fasted athlete who feels jittery on pre-workout

• Protocol:
  • Try 50–100 mg caffeine 20 minutes before training instead of full scoop.
  • Add 10–15 g carbohydrate (small banana or rice cake) 20–30 minutes before.
  • If paresthesia from beta-alanine is bothersome, split daily dose.
• Troubleshoot: If jitteriness persists, reduce dose or move session to mid-morning and consume a light breakfast.

Sample 3: Endurance athlete preparing for a 3-hour ride

• Protocol:
  • 2–3 mg/kg caffeine 45–60 minutes prior.
  • Beetroot or nitrate supplement 2–3 hours prior if used.
  • 60 g carbohydrates in the 60 minutes before and maintain fueling during the ride.
• Troubleshoot: If GI upset occurs, cut nitrate volume or choose a low-polyol pre-workout; test fueling strategy during training rides.

Quick fixes for common complaints

• Jitteriness or racing heart: Reduce caffeine, split the dose, take with a carbohydrate or food, or switch to caffeine-free formula.
• Paresthesia from beta-alanine: Reduce per-dose amount, take smaller doses multiple times per day, use sustained-release beta-alanine.
• Nausea/diarrhea: Try a half dose first, switch to unsweetened formulation, avoid training on a very full stomach, and ensure adequate but not excessive fluid volume.
• Poor sleep after evening training: Move to stimulant-free pre-workout or allow a longer gap between stimulant dose and bedtime.

Safety considerations and red flags

Pre-workout supplements can improve training but are not risk-free. Follow these safety principles.

• Track total stimulant intake. Add caffeine from coffee, tea, soda, and pre-workouts. Exceeding 400 mg/day increases the odds of adverse effects.
• Avoid proprietary blends that hide exact stimulant content. Prefer fully labelled formulas with clear dose information.
• If you have cardiovascular disease, uncontrolled hypertension, pregnancy, or are on medications that interact with stimulants, consult a medical professional before routine stimulant use.
• Be cautious with unregulated or novel stimulants (DMAA, DMHA). Many have safety concerns and are banned in some sports and jurisdictions.
• Test new products during training sessions rather than competition day.
• Stay hydrated and maintain a balanced diet. Supplements optimize performance but do not replace foundational nutrition and sleep.

How to experiment and measure success

A structured approach to experimentation produces reliable answers about timing and dosing.

• Baseline metrics: Record 2–4 weeks of baseline training data without changing supplement routine. Track RPE, total volume, set counts, rep speed, resting heart rate, sleep quality, and subjective focus.
• Isolate variables: Change one element at a time (timing, dose, or ingredient) and test for at least 7–14 workouts before drawing conclusions.
• Objective measures: Use bar speed for strength training, time-to-exhaustion for conditioning, or heart-rate variability for recovery. Combine objective metrics with subjective ratings.
• Iterative refinement: Adjust gradually. If a 45-minute window improved your lift velocity, compare it to 30 and 60 minutes in subsequent cycles and choose the most consistent result.

Real-world case studies

Case study 1: Competitive powerlifter

• Problem: Late-afternoon sessions; poor sleep after high-caffeine pre-workout.
• Solution: Shift to 2 mg/kg caffeine and add 6 g citrulline malate 45 minutes pre-session. Maintain creatine at 5 g daily and beta-alanine as split doses. Result: preserved training intensity without sleep disruption and improved peak velocity on competition lifts.

Case study 2: Weekend endurance racer

• Problem: GI upset with concentrated pre-workout before long rides.
• Solution: Eliminated artificial sweeteners and polyols, used beetroot nitrate 2–3 hours pre-ride, and relied on lower-dose caffeine with pre-fuel carbohydrates. Result: smoother digestion and sustained race pace.

Case study 3: Morning group fitness instructor

• Problem: Frequent jitteriness and energy crashes mid-class.
• Solution: Reduced stimulant dose, added 15 g carbohydrates pre-class, and moved most creatine and beta-alanine dosing to separate times of day. Result: steadier energy, less anxiety, and improved teaching performance across consecutive classes.

FAQ

Q: How long before a workout should I take my pre-workout? A: Use 30–60 minutes as a starting point for most stimulant- and vasodilator-containing pre-workouts. Adjust earlier for fast-acting liquids or quicker metabolisms and later for sustained-release formulas or nitrate-based supplements.

Q: Should I take creatine in my pre-workout? A: You can include creatine in your pre-workout for convenience, but its benefits come from consistent daily supplementation (3–5 g/day), not immediate pre-exercise timing.

Q: Why do I feel tingling after beta-alanine? A: Paresthesia is a common, harmless side effect of beta-alanine. Reduce per-dose amount, split doses across the day, or use sustained-release formulations to minimize the sensation.

Q: How much caffeine is safe before training? A: For most healthy adults, 3–6 mg/kg is an effective ergogenic range, with a general daily upper limit of about 400 mg. Start at the lower end if you are sensitive and factor in other caffeine sources.

Q: Can pre-workouts ruin my sleep? A: Yes—especially when taken too close to bedtime. Use your caffeine half-life estimate and personal sensitivity to set a cutoff. Many people stop stimulants at least 6 hours before bedtime; slow metabolizers may need a longer gap.

Q: What if my pre-workout gives me stomach issues? A: Try half dosing, choose a product with fewer artificial sweeteners and polyols, take a small carbohydrate snack before training, or switch to capsules or unflavored formulas.

Q: Do I need to cycle off caffeine in pre-workout? A: Cycling restores sensitivity for many users. Options include periodic full abstinence (1–2 weeks off) or dose cycling (use lower doses most days, higher doses for key sessions).

Q: Are non-stimulant pre-workouts effective? A: Non-stimulant formulas can improve pumps, hydration, and buffering (e.g., citrulline, creatine, beta-alanine). They are a good option for evening training or when avoiding stimulants.

Q: How do genetics affect pre-workout timing? A: CYP1A2 gene variants affect caffeine metabolism. Fast metabolizers clear caffeine quickly and may tolerate higher doses; slow metabolizers experience prolonged effects. Practical testing of sleep and heart-rate responses is often sufficient.

Q: Should I test new pre-workouts on competition day? A: No. Trial any new product or timing strategy during training to avoid unexpected side effects on competition day.

Q: Can I mix pre-workout with other supplements or energy drinks? A: Only after calculating total stimulant content and potential interactions. Avoid stacking multiple stimulant sources that exceed safe daily doses.

Q: How do I know if my pre-workout is helping? A: Track objective session metrics (lift velocity, total volume, interval power) and subjective measures (focus, perceived exertion). Compare these metrics across consistent trials at different timing windows.

Q: Are energy chews or gels effective as pre-workouts? A: They provide quick carbohydrate and can be useful when fueling is the primary need. Pair with low-dose stimulants only if you tolerate them well.

Q: Is there a universal best time to take pre-workout for everyone? A: No. 30–60 minutes is a reliable starting point, but personal factors—metabolism, sleep schedule, tolerance, and workout type—determine the optimal individual timing.

Practical experimentation, careful logging, and conservative safety boundaries produce the best outcome. Use the guidance above to build a protocol tailored to your sport, schedule, and physiology. Adjust only one variable at a time, respect sleep and cardiovascular safety limits, and prioritize consistent training and nutrition as the foundation beneath any supplement strategy.