Top 5 — Ranked by Evidence
Very Strong
Caffeine
Alertness and reduced mental fatigue
100–400 mg/day; performance: 3–6 mg/kg body weight 60 minutes pre-exercise; upper safe
Very Strong
Iron
Less fatigue when iron stores are low
18 mg/day (women RDA); 27 mg/day (pregnant); 8 mg/day (men); therapeutic: 150–200 mg
Strong
CoEnzyme Q10
Less fatigue in pooled trials
Heart failure: 100 mg 3×/day; migraine: 100-300 mg/day; statin muscle symptoms: 100-600 mg/day; all from trials in diagnosed conditions. Take with a fatty meal.
Strong
Glucose / Dextrose
Endurance exercise fuel and delayed fatigue
Oral rehydration solution 13.5 g glucose/L; sports 40-80 g/L (4-8%); endurance 30-60 g/hr (90 g/hr glucose+fructose 2:1); post-exercise 1.0-1.2 g/kg plus protein.
Strong
InnovaTea® (Natural Caffeine from Tea — NutriScience)
Energy and Alertness
Commonly 100 to 200 mg of caffeine per serving.
📈 Fastest Growing Energy Ingredients
Branded ingredients seeing rapid growth in formulator adoption and clinical research in 2024–2026.
Trending
Strong
CoEnzyme Q10
Less fatigue in pooled trials
Heart failure and migraine trials: 100 mg three times a day. Statin muscle trials: 100 to 600…
Trending
Moderate
Nicotinamide Riboside
Documented blood NAD+ elevation
100 to 1,000 mg a day for 2 to 12 weeks in controlled trials; 1,000 mg a day in the trials in…
Trending
Strong
Vitamin B12
Energy metabolism (deficiency-related tiredness)
RDA 2.4 mcg a day for adults. Single-nutrient supplements usually give 500 to 1,000 mcg, of…
🔬 Future Energy Ingredients to Watch
Lower current evidence but active research underway — these may become top picks within 2–3 years.
Watch
Moderate
TeaCrine® (Theacrine)
Self-rated energy and focus, with no tolerance seen over 8 weeks
100-300 mg/day; with caffeine 125-150 mg + 100-150 mg caffeine; ~3 mg/kg; or 50 mg + 75 mg…
Watch
Limited
Ergothioneine (ErgoActive®)
Antioxidant protection
Human trials are few. A one-year pilot trial used 25 mg three times a week. EFSA judged…
Watch
Limited
PrimaVie® (Shilajit Extract — Natreon)
Testosterone support in middle-aged men
250 mg twice a day (500 mg/day) for 90 days in the testosterone trial; 250 or 500 mg/day for 8…
Recommended Energy Products
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Real products featuring the best-evidenced energy ingredients ranked above - chosen for clinically-studied forms and doses, third-party testing, and value. Match the supplement to your specific need.
Best for daily B-vitamin energy support
Amazon →
Thorne B-Complex #12
Active B vitamins with methyl-B12 + folate, 60 ct
Uses active methylated B12 and folate; third-party certified and well absorbed for daily energy metabolism.
Best for cellular energy production
Amazon →
Doctor's Best High Absorption CoQ10 with BioPerine
100 mg softgels, 120 ct
Naturally fermented CoQ10 with BioPerine to aid absorption at a reasonable per-serving cost; non-GMO, gluten-free.
Best for gentle iron replenishment
Amazon →
Thorne Iron Bisglycinate
25 mg elemental iron capsules, 60 ct
Ferrous bisglycinate is a well-absorbed, gentler chelated form many tolerate without the constipation of standard iron salts.
Best for stress-related fatigue
Amazon →
NOW Supplements Rhodiola 500 mg
500 mg (3% rosavins) veg capsules, 60 ct
Standardized adaptogen extract from a budget-friendly, widely stocked brand; vegetarian capsules.
All Energy Ingredients (86)
Very Strong
Caffeine
Alertness and reduced mental fatigue
100–400 mg/day; performance: 3–6 mg/kg body weight 60 minutes pre-exercise; upper safe
Very Strong
Iron
Less fatigue when iron stores are low
18 mg/day (women RDA); 27 mg/day (pregnant); 8 mg/day (men); therapeutic: 150–200 mg
Strong
CoEnzyme Q10
Less fatigue in pooled trials
Heart failure: 100 mg 3×/day; migraine: 100-300 mg/day; statin muscle symptoms: 100-600 mg/day; all from trials in diagnosed conditions. Take with a fatty meal.
Strong
Glucose / Dextrose
Endurance exercise fuel and delayed fatigue
Oral rehydration solution 13.5 g glucose/L; sports 40-80 g/L (4-8%); endurance 30-60 g/hr (90 g/hr glucose+fructose 2:1); post-exercise 1.0-1.2 g/kg plus protein.
Strong
InnovaTea® (Natural Caffeine from Tea — NutriScience)
Energy and Alertness
Commonly 100 to 200 mg of caffeine per serving.
Strong
PurCaf® (Organic Caffeine from Green Coffee — Applied Food Sciences)
Energy and alertness
Commonly 100 to 200 mg per serving; performance studies use about 3 to 6 mg per kg.
Moderate
Niagen® (Nicotinamide Riboside — ChromaDex)
Documented blood NAD+ elevation
Clinical trial doses: 250-1,000 mg/day Niagen®. Most studies use 300-600 mg/day. Take
Moderate
Nicotinamide Riboside
Documented blood NAD+ elevation
Standard dose: 250-1,000 mg/day NR. Most clinical trials use 300-600 mg/day. Take with
Moderate
Ginseng
Energy and less fatigue
200–400 mg/day standardized extract (ginsenosides ≥4–7%); American ginseng: 100–200
Moderate
TeaCrine® (Theacrine)
Self-rated energy and focus, with no tolerance seen over 8 weeks
STANDARD: 100-300 mg/day (safety to 300 mg × 8 wk continuous). STACK: 125-150 mg
Moderate
enXtra® (Standardized Alpinia galanga Extract — OmniActive)
Sustained 5-hour alertness
300 mg/day is the dose used in the single-dose trials; the 12-week trial used a higher dose, reported as 600 mg a day.
Moderate
zümXR® (Targeted-Release Caffeine Technology — PLT Health)
Custom energy profile design
Caffeine doses typically 50-300 mg per serving (matching immediate-release caffeine
Moderate
Alpinia galanga (Greater Galangal)
Caffeine-free alertness and attention
300 mg/day standardized Alpinia galanga rhizome extract — the dose used in published
Moderate
B-Complex (Combined B Vitamins)
Energy Metabolism Support
Varies by product, from about 1x the RDA of each B vitamin to high-potency products at several times the RDA. Cited trials used high-dose B-complex or amounts like 100 mg B1 plus 100 mg B2.
Moderate
Cantaloupe Fruit Powder (SOD B Extramel®)
Promotes energy and reduced fatigue
10 mg/day SOD B Extramel® (≈140 IU SOD) once daily for 4–12 weeks; some studies have
Moderate
NewCaff™ (Microencapsulated Natural Caffeine)
Energy and alertness
100 to 200 mg of caffeine per serving; performance trials use about 3 to 6 mg per kg of body weight, but from studies of plain caffeine, not any study of NewCaff.
Moderate
Rhodiola Rosea
Stress and fatigue reduction
200–600 mg/day standardized extract; taken before meals
Moderate
Ubiqsome® (Coenzyme Q10 Phytosome — Indena)
Mitochondrial Energy Production
100-300 mg/day Ubiqsome (CoQ10 equivalent)
Moderate
AB-Fortis® (Microencapsulated Iron — Frutarom)
Iron for energy (deficiency-related)
Per AB-Fortis product specification (typical 8-18 mg elemental iron/day)
Moderate
Cereboost™ (American Ginseng for Cognition — Givaudan)
Mental Fatigue Reduction
200 mg/day Cereboost (research-validated)
Moderate
Coffee Fruit Extract (CoffeeFruit Pure™)
Energy without jitters
100–200 mg/day whole coffee fruit concentrate; NeuroFactor™ clinical dose: 100 mg/day
Moderate
FerroChel® (Ferrous Bisglycinate Chelate)
Less fatigue when iron stores are low
Typical FerroChel® doses provide 14–28 mg elemental iron once daily for routine
Limited
GeeQTen® (Coenzyme Q10)
Cellular energy
Commonly 100 to 200 mg per day.
Limited
NMN (Nicotinamide Mononucleotide)
Blood NAD levels in middle-aged and older adults
250 to 500 mg/day is the usual commercial range. The 14-day study cited on this page
Limited
Urolithin A
Muscle Endurance in Older Adults
Standard dose: 500-1,000 mg/day urolithin A direct supplementation. Most clinical
Limited
Oxaloacetate (Anhydrous Enol)
Fatigue scores in a 3-month controlled trial
Standard dose: 100-300 mg/day anhydrous enol oxaloacetate (benaGene™). Cognitive
Limited
AfperFIT™
Increased energy expenditure / thermogenesis
Published AfperFIT trial: 250 mg twice daily (500 mg/day, standardized to at least 2 percent 6-paradol) for 12 weeks.
Limited
Cluster Dextrin® (Highly Branched Cyclic Dextrin)
Steady energy with little insulin response: shown in mice, not confirmed in people
15 to 70 g per session in sports products; cited human studies used 15 g during endurance exercise and 45 g during a resistance training session.
Limited
merLIX™ (marine DNA & nucleotide complex — InnoVactiv)
Helps support energy and physical performance
Brand serving guidance about 200-400 mg/day; no human trials on merLIX itself. The 50 mg/day to 1.2 g/day range comes from trials of generic nucleotides, not merLIX.
Limited
PANMOL® NADH Micro
Cellular Energy Support
5-10 mg/day taken sublingually or on an empty stomach in morning; CFS trial used 10
Limited
Robuvit® (French Oak Wood Extract — Horphag Research)
Healthy energy and less tiredness
300 mg/day Robuvit®; fatigue studies use 300 mg/day; athletic performance: 300 mg/day
Limited
Caffinity® (natural coffee-fruit caffeine complex — FutureCeuticals)
Supports exercise performance and endurance output
286 mg Caffinity (~200 mg natural caffeine + ~15 mg coffee-fruit polyphenols), single pre-exercise dose
Limited
D-Ribose (Bioenergy Ribose®)
ATP regeneration and cellular energy recovery
5–15 g/day in divided doses; athletic performance: 5 g pre/post exercise;
Limited
Eleuthero / Siberian Ginseng (Eleutherococcus senticosus)
Athletic Performance and Endurance
300-1,200 mg/day standardized extract; root powder 1-3 g/day
Limited
EnduBerry™ Nu
Faster 5 km endurance run in one trial of a different haskap powder
The cited trial used 6 g a day of freeze-dried haskap berry powder (about 150 mg anthocyanins), but that was a different company's powder, so no dose has been established for EnduBerry Nu itself.
Limited
goFAT® (Structured Lipid Blend)
Rapid ketogenic fuel and energy
No dose of goFAT® has been tested in a published study; labels typically supply roughly 5 to 15 g of fat per serving.
Limited
Guarana (Paullinia cupana)
Stimulation / Energy / Alertness (Caffeine Mechanism)
Products typically supply 75-200 mg of extract (roughly 30-100 mg caffeine) or 500-1,500 mg of whole seed powder. Count its caffeine toward your daily total.
Limited
Guayusa (AMATEA® Organic Guayusa)
Subjective energy after a single dose
Single doses only: trials used 600 mg and 1200 mg AMATEA Max (120 mg and 240 mg caffeine); no trial has tested 300 mg or daily use beyond a single day.
Limited
Magnesium Aspartate
Energy metabolism
Repletion typically targets 200-400 mg elemental magnesium daily; older fatigue
Limited
Magnesium Gluconate
Energy metabolism
Roughly 200 to 400 mg of elemental magnesium daily, which takes several grams of this salt since it is only about 5 to 6 percent magnesium by weight; the cited papers set no dose for any outcome.
Limited
Paraxanthine
Caffeine metabolite — clean energy
50-200 mg as a single dose, with 100-200 mg used in the cognitive trials; every published trial tested a single dose, so there is no evidence on daily or long-term use.
Limited
PurTea® (Organic Green Tea Caffeine — Applied Food Sciences)
Energy and alertness
Commonly 100 to 200 mg of caffeine per serving.
Limited
Pyruvate (Calcium Pyruvate / Sodium Pyruvate)
Improvements in mood and perceived energy
MODERN: 5-10 g/day Ca/Na pyruvate (Kalman 1999: 6 g/day × 6 wk). STANKO 1990s: 22-53
Limited
Rhodiolife®
Stress-related fatigue reduction
200–400 mg/day of standardized Rhodiola rosea extract in stress, anxiety, and fatigue
Limited
RiaGev® (NR + D-Ribose NAD+ Complex)
NAD+ metabolome rose in the blood (a marker)
250–500 mg/day RiaGev®; formulated to optimize both NR and ribose at doses below their
Limited
SaraPEPP™ Nu
Caffeine-free cognitive/energy support
In the published trial: 4 soft-gel capsules per day (2 morning, 2 evening, with food) delivering 2.8 g of the MCT-oil extract, 80 mg Zanthoxylum armatum extract and 7.8 mg hydroxy-alpha-sanshool.
Limited
Sucrosomial Magnesium
Energy and fatigue
Bioavailability research administered around 350 mg elemental magnesium; products
Strong
Vitamin B12
Energy metabolism (deficiency-related tiredness)
2.4 mcg/day (RDA); deficiency treatment: 1,000–2,000 mcg/day oral (sublingual
Limited
Beef Liver (Desiccated)
Rich in vitamin B12, a nutrient needed for normal energy metabolism
Typical supplementation: 3-6 g/day (4-8 capsules at 750 mg each) desiccated beef
Limited
CarnoLife® (L-Carnitine L-Tartrate)
Energy metabolism
Commonly 1 to 2 grams of L-carnitine L-tartrate per day.
Limited
Coconut Oil
Energy Boost
15–30 mL/day (1–2 tablespoons); MCT oil fractionated from coconut: 15–30 mL/day;
Limited
CordyFuel™ (Branded Cordyceps Extract)
Supports exercise endurance and oxygen utilization
Branded-specific dosing is not well defined in indexed trials. Class-level cordyceps
Limited
EnergySMART® (Low-Glycemic Carbohydrate Complex — Anderson)
Sustained energy
Per the product or recipe.
Limited
FastBliss® (Paraxanthine)
Energy and alertness without the crash
50–200 mg/day paraxanthine; cognitive benefits at doses as low as 50 mg; full effect
Limited
Ferractiv® (Iron Amino Acid Chelate — Biotron)
Energy and reduced fatigue
600 mg of the chelate (25 mg elemental iron) once daily for 7 days in the one trial; products commonly provide around 18 mg of elemental iron.
Limited
Finomate® (Green Mate Extract — Frutarom)
Appetite and energy
Per the product specification.
Limited
FitNox® (Plant Nitric Oxide Complex)
Energy and stamina
Around 250 mg per day.
Limited
Magnesium Lactate
Energy metabolism
Repletion typically targets 200-400 mg elemental magnesium daily; sustained-release
Limited
Ubiquinol (Reduced CoQ10)
Mitochondrial Function
Products are typically sold at 100-200 mg/day with a fatty meal; the two cited studies used 200 mg/day and 300 mg/day. Higher amounts were used in diagnosed patients under medical supervision.
Moderate
Adenosine 5'-Triphosphate (ATP)
Energy Currency Support
400 mg/day disodium ATP (research-validated dose, primarily based on PEAK ATP studies)
Limited
SalidroPure™ (Pure Salidroside)
Anti-fatigue and endurance
No human trial has tested the 3 to 5 mg label dose; trials of pure salidroside used 60 mg/day or 600 mg/day.
Limited
Sulbutiamine (Arcalion)
Fatigue after infection: an early effect that did not last
ASTHENIA (Arcalion approved): 200-600 mg/day divided. Shipelowitz 1984 best at 600 mg.
Preliminary
Glucuronolactone (D-Glucurono-γ-Lactone)
Component of energy drink combinations
RED BULL: 600 mg per 250 mL serving. EU SCF safe up to 250 mg/kg/day (2003). ISOLATED
Moderate
Acetyl-L-Carnitine (ALCAR)
Energy and fatigue in older adults
COGNITIVE/AGING: 1500-3000 mg/day divided. DIABETIC NEUROPATHY: 1000 mg × 3/day = 3000
Limited
Dynamine® (Methylliberine)
Self-reported energy and focus (not measured performance)
100 mg a day is the only standalone dose tested in a published efficacy trial; a separate safety study used 100 to 150 mg a day.
Limited
Kaneka Ubiquinol™ (Reduced Coenzyme Q10)
Cellular energy
Typically 100 to 200 mg per day.
Limited
Oyster Extract
Supports Energy and Recovery
Typical supplemental doses 500-1500 mg oyster extract daily; clinical trials have used
Limited
PeakO2® (Adaptogenic Mushroom Blend)
Time to exhaustion and endurance extension
1–4g/day for ongoing use; 4g/day for clinical performance benefits (21-day loading);
Limited
Shilajit
Mitochondrial energy: a laboratory and animal idea only
Standard clinical dose: 250 mg twice daily (500 mg/day total) of purified shilajit
Limited
Tesnor® (Pomegranate + Cocoa Testosterone Support — Saanroo)
Fatigue scores in men aged 40 to 70
400 mg/day Tesnor is the optimal clinical dose used across all three pivotal RCTs. 200
Preliminary
Bemethyl (Bemitil / Metaprot)
Fatigue and low stamina (one 1988 Soviet comparison study)
Labelling describes 250 to 500 mg once or twice daily in courses of three to five days; no dose or schedule for athletic use has been established in any published study.
Preliminary
Metabolyte® (BHB Energy + B-Vitamins)
Dual-pathway cellular energy support
Typical BHB component 3-6 g, combined with a B-vitamin complex that varies by product; there is no clinically studied dose, because the blend itself has not been tested in a published trial.
Preliminary
Rējen™ (Fulvic and Humic Acid Trace Minerals — Compound Solutions)
Gut health, energy and metabolism (maker's stated uses)
Not established: Compound Solutions publishes no serving size, and no human study of
Moderate
Carnipure® (L-Carnitine — Lonza)
Modest fatigue relief in very old and hypothyroid adults
Same as generic L-carnitine: 1-3 g/day general supplementation. Specific applications:
Moderate
MCT Oil (Medium-Chain Triglycerides)
Better self-rated vitality, studied in adults with rheumatoid arthritis
18 to 24 g/day in the weight-loss trial, up to 30 g/day in others; start near 5 g and build up, since higher doses commonly cause diarrhea.
Moderate
Methylcobalamin (Active B12)
B12 for energy metabolism
500-2,000 µg/day sublingual or oral for general supplementation; 1,000-2,500 µg/day
Moderate
Riboflavin
Energy metabolism
1.1 to 1.3 mg/day (RDA). The migraine research dose is 400 mg/day, roughly 300 times the requirement, studied for a diagnosed condition and appropriate only under a doctor's supervision.
Moderate
Zynamite® S (Non-Stim Mental Energy — Water Soluble)
Less self-rated fatigue after a single dose, in one of two trials
100–150 mg Zynamite® S (single dose, acute cognitive benefits within 30 minutes); 150
Limited
ALIVEL® (Tongkat Ali — Eurycoma longifolia)
Stress and fatigue
The cited trial used 200 mg/day of a Eurycoma longifolia extract (others 100 to 400 mg/day); ALIVEL itself has no published clinical trial.
Limited
ElevATP®
Supports Endogenous ATP Production
150 mg/day in branded human studies, taken with or without other workout ingredients.
Limited
GS15-4® (Enzyme-Fermented Ginseng — Ilhwa)
Energy and vitality
Around 165 mg of fermented ginseng extract per day.
Limited
Pantothenic Acid
Energy metabolism
Adequate Intake: 5 mg/day for adults; the acne trial used 2.2 g/day of a multi-ingredient pantothenic acid-based supplement, roughly 440 times that.
Preliminary
Actiful® (Orange and Pomegranate Complex — Solabia)
Energy and vitality
Around 600 to 700 mg per day.
Preliminary
Magnesium Malate
Energy and Fatigue Support
No established dose for magnesium malate itself; the fibromyalgia study used Super Malic tablets (200 mg malic acid plus 50 mg magnesium each). Supplements typically supply 100 to 200 mg elemental magnesium.
Preliminary
Beef Spleen (Desiccated)
Energy: a small iron source, never tested for fatigue
Typical supplementation: 1.5-3 g/day (2-4 capsules at 750 mg each) desiccated beef
Preliminary
Hordenine
Stimulant energy (preliminary)
No human dose established; labels commonly list 25 to 100 mg per serving, but these are marketing amounts, not amounts shown to do anything in a human trial of hordenine on its own.