Supplements: By Goal — Best Options for Each Training Objective
Only 6 supplements are Tier 1 across all goals. Protein and creatine appear in 4 of 6 goal categories. Most goal-specific additions (adaptogens, sleep aids) are Tier 2 at best — get fundamentals right before adding category-specific supplements.
| Measure | Value | Unit | Notes |
|---|---|---|---|
| Evidence Tier | Reference | multi-tier | This page is a cross-goal reference card — individual supplement pages contain tier assignments |
| Goals Covered | 6 | categories | Strength/Hypertrophy, Endurance, Body Composition, Recovery, Sleep, Cognitive Performance |
| Cross-Goal Supplements | 2 | count | Creatine and protein appear in 4 of 6 goal categories — always foundational |
| Supplements with Goal-Specific Evidence | 4 | count | Beta-alanine (endurance buffer), melatonin (sleep onset), dietary nitrates (endurance O2), citrulline (high-rep training) |
| Minimum Effective Dose — Protein | 1.6 | g/kg/day | Below this threshold, muscle-building goals are protein-limited regardless of other supplements |
| Creatine Time to Saturation | 28 | days at 5g/day | Loading (20g/day × 5 days) achieves same saturation in ~7 days |
Supplement decisions by goal. Each row shows the top 3 evidence-backed options with dose, tier, and context. Tier 1 first — always.
Goal × Supplement Reference Table
| Goal | Supplement | Evidence Tier | Standard Dose | Timing | Key Benefit | Priority |
|---|---|---|---|---|---|---|
| Strength / Hypertrophy | Creatine Monohydrate | Tier 1 | 3–5g/day | Any time | +20% PCr → more reps at heavy loads | #1 |
| Strength / Hypertrophy | Protein (1.6–2.2g/kg/day) | Tier 1 | 0.4g/kg per meal | Across all meals | MPS ceiling; without adequate protein no supplement matters | #1 |
| Strength / Hypertrophy | Caffeine | Tier 1 | 3–6mg/kg | 60min pre | Strength output +3–5%; pain perception ↓ | #2 |
| Endurance | Dietary Nitrates | Tier 1 | ~400mg nitrate (~500ml beetroot juice) | 2–3hr pre | Mitochondrial O₂ efficiency; VO₂ cost ↓ 3–5% | #1 |
| Endurance | Beta-Alanine | Tier 1 | 3.2–6.4g/day (split) | Daily (chronic loading) | Carnosine ↑ → muscle pH buffer → delays fatigue at 1–4min efforts | #2 |
| Endurance | Caffeine | Tier 1 | 3–6mg/kg | 60min pre | Aerobic endurance, pacing, perceived effort | #2 |
| Body Composition | Protein (≥1.6g/kg/day) | Tier 1 | Per daily target | With meals | Preserves muscle during deficit; highest thermic effect | #1 |
| Body Composition | Caffeine | Tier 1 | 200–400mg | Morning/pre-workout | Mild thermogenesis, fat oxidation, appetite suppression | #2 |
| Body Composition | Creatine | Tier 1 | 3–5g/day | Any time | Preserves lean mass during deficit; strength in cut | #2 |
| Recovery | Protein | Tier 1 | 0.4g/kg post-exercise | Post-workout | MPS — muscle repair substrate | #1 |
| Recovery | Omega-3 (EPA+DHA) | Tier 2 | 1–3g EPA+DHA | With meals | Anti-inflammatory; DOMS reduction 24–48hr post | #2 |
| Recovery | Tart Cherry | Tier 2 | 480ml juice or 30ml concentrate | Post-workout | Anthocyanin anti-inflammatory; DOMS ↓ in RCTs | #3 |
| Sleep | Melatonin | Tier 2 | 0.5–3mg | 30–60min pre-sleep | Circadian phase shift; sleep onset latency ↓ | #1 |
| Sleep | Magnesium Glycinate | Tier 2 | 200–400mg | 1hr pre-sleep | GABA modulation; muscle relaxation; common deficiency in athletes | #2 |
| Sleep | Ashwagandha | Tier 2 | 300–600mg (KSM-66) | Daily | Cortisol ↓; HRV ↑; sleep quality in stressed populations | #3 |
| Cognitive Performance | Caffeine | Tier 1 | 100–200mg | Per cognitive demand | Adenosine blockade; working memory, attention, reaction time | #1 |
| Cognitive Performance | Creatine | Tier 1 | 3–5g/day (20g acute if sleep-deprived) | Any time | Brain PCr ↑ 5–15%; memory in older adults; cognitive decline reversal with sleep deprivation | #2 |
| Cognitive Performance | Ashwagandha | Tier 2 | 300–600mg | Daily | Cortisol ↓ → improved working memory in high-stress cohorts | #3 |
Supplement Priority by Goal — Summary Matrix
| Supplement | Strength | Endurance | Body Comp | Recovery | Sleep | Cognition |
|---|---|---|---|---|---|---|
| Creatine | ✅ #1 | — | ✅ #2 | — | — | ✅ #2 |
| Protein | ✅ #1 | — | ✅ #1 | ✅ #1 | — | — |
| Caffeine | ✅ #2 | ✅ #2 | ✅ #2 | — | ❌ avoid | ✅ #1 |
| Beta-Alanine | — | ✅ #2 | — | — | — | — |
| Dietary Nitrates | — | ✅ #1 | — | — | — | — |
| Omega-3 | — | — | — | ✅ #2 | — | — |
| Tart Cherry | — | — | — | ✅ #3 | — | — |
| Melatonin | — | — | — | — | ✅ #1 | — |
| Magnesium Glycinate | — | — | — | — | ✅ #2 | — |
| Ashwagandha | — | — | — | — | ✅ #3 | ✅ #3 |
How to use this data: Pick your primary goal and read the #1 and #2 supplements for that goal first. Add cross-goal supplements (creatine, protein) regardless of primary goal. Do not add Tier 3 category-specific supplements until Tier 1 fundamentals are saturated.
Related Pages
Sources
- Lanhers C et al. (2017). Creatine supplementation and lower limb strength performance: a systematic review and meta-analysis. Eur J Sport Sci 17(4):492–503. PMID 27852282.
- Grgic J et al. (2020). Wake up and smell the coffee: caffeine supplementation and exercise performance — an umbrella review. Br J Sports Med 54(11):681–688. PMID 31563880.
- Jones AM. (2014). Dietary nitrate supplementation and exercise performance. Sports Med 44(Suppl 1):S35–S45. PMID 24791915.
- Avgerinos KI et al. (2018). Effects of creatine supplementation on cognitive function: a systematic review of RCTs. Exp Gerontol 108:166–173. PMID 29704637.
- Morton RW et al. (2018). Effect of protein supplementation on resistance training-induced gains in muscle mass and strength. Br J Sports Med 52(6):376–384. PMID 28698222.
Frequently Asked Questions
Which supplements overlap the most goals?
Creatine monohydrate and protein supplementation (whey or equivalent) appear across strength, hypertrophy, recovery, and cognitive performance. These are the most universal. Caffeine appears in strength, endurance, and cognitive categories. If budget is limited, creatine + protein covers the broadest evidence base.
Should I use goal-specific stacks from pre-made products?
No. Pre-made goal stacks typically add cost without adding evidence. A 'recovery stack' product often contains tart cherry, glutamine, BCAAs, and magnesium — of these, only magnesium (if deficient) has strong individual evidence. Buy ingredients separately: you pay for what works. See cost-per-serving-comparison for dollar comparisons.
Does the order of goal priority matter?
Yes. Always address fundamentals (protein intake, sleep, training consistency) before adding goal-specific supplements. An athlete sleeping 5 hours will get more from melatonin + sleep hygiene than from any performance stack. An athlete under-eating protein gets more from hitting 1.6g/kg/day than from any individual amino acid product.
What is the evidence for cognitive performance supplements?
Creatine (Tier 1 under metabolic stress/sleep deprivation) and caffeine (Tier 1 for alertness and working memory) have the strongest evidence. Everything else in the cognitive performance category is Tier 2 at best — ashwagandha reduces cortisol which indirectly supports cognition, but it is not a direct cognitive enhancer in the way caffeine is.