Top Picks — Energy

⚡ Best Energy Supplements

Energy supplements ranked by clinical evidence — supporting ATP production, mitochondrial function, and cellular vitality. CoQ10, NR, B-vitamins, and more.

116 ingredients reviewed Ranked by clinical evidence

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Top 5 — Ranked by Evidence

Enhances Alertness and Focus

100–400 mg/day; performance: 3–6 mg/kg body weight 60 minutes pre-exercise; upper safe

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.

Energy metabolism

18 mg/day (women RDA); 27 mg/day (pregnant); 8 mg/day (men); therapeutic: 150–200 mg

Mitochondrial myopathies

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.

Energy Metabolism

2.4 mcg/day (RDA); deficiency treatment: 1,000–2,000 mcg/day oral (sublingual

📈 Fastest Growing Energy Ingredients

Branded ingredients seeing rapid growth in formulator adoption and clinical research in 2024–2026.

Mitochondrial myopathies

Heart failure: 100 mg 3×/day; migraine: 100-300 mg/day; statin muscle symptoms: 100-600…

Nicotinamide Riboside

Documented blood NAD+ elevation

250-1,000 mg/day; most trials 300-600 mg/day.

Energy Metabolism

2.4 mcg/day (RDA); deficiency treatment: 1,000–2,000 mcg/day oral (sublingual preferred);…

🔬 Future Energy Ingredients to Watch

Lower current evidence but active research underway — these may become top picks within 2–3 years.

TeaCrine® (Theacrine)

Sustained energy without tolerance

100-300 mg/day; with caffeine 125-150 mg + 100-150 mg caffeine; ~3 mg/kg; or 50 mg + 75 mg…

Ergothioneine (ErgoActive®)

Mitochondrial protection and bioenergetics

5-30 mg/day; most human studies 5-20 mg/day; dietary intake from mushrooms ~1-5 mg/day.

PrimaVie® (Shilajit Extract — Natreon)

Mitochondrial energy and CoQ10 potentiation

250 mg twice daily (500 mg/day); CoQ10-potentiation studies 200 mg/day.

Recommended Energy Products

Heads up: NutraSmarts may earn a commission from purchases made through these links, at no extra cost to you. We curate these picks based on the same evidence we cite throughout the page. Full disclosure.

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 (116)

Enhances Alertness and Focus

100–400 mg/day; performance: 3–6 mg/kg body weight 60 minutes pre-exercise; upper safe

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.

Energy metabolism

18 mg/day (women RDA); 27 mg/day (pregnant); 8 mg/day (men); therapeutic: 150–200 mg

Mitochondrial myopathies

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.

Energy Metabolism

2.4 mcg/day (RDA); deficiency treatment: 1,000–2,000 mcg/day oral (sublingual

Nicotinamide Riboside

Documented blood NAD+ elevation

Standard dose: 250-1,000 mg/day NR. Most clinical trials use 300-600 mg/day. Take with

InnovaTea® (Natural Caffeine from Tea — NutriScience)

Energy and alertness

Commonly 100 to 200 mg of caffeine per serving.

PurCaf® (Organic Caffeine from Green Coffee)

Energy and alertness

Commonly 100 to 200 mg per serving; performance studies use about 3 to 6 mg per kg.

Acetyl-L-Carnitine (ALCAR)

Energy metabolism and mitochondrial support

COGNITIVE/AGING: 1500-3000 mg/day divided. DIABETIC NEUROPATHY: 1000 mg × 3/day = 3000

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.

Pantothenic Acid

Supports 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.

TeaCrine® (Theacrine)

Sustained energy without tolerance

STANDARD: 100-300 mg/day (safety to 300 mg × 8 wk continuous). STACK: 125-150 mg

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.

Energy and Fatigue Reduction

200–400 mg/day standardized extract (ginsenosides ≥4–7%); American ginseng: 100–200

Niagen® (Nicotinamide Riboside — ChromaDex)

Foundational blood NAD+ elevation evidence

Clinical trial doses: 250-1,000 mg/day Niagen®. Most studies use 300-600 mg/day. Take

RiaGev® (NR + D-Ribose NAD+ Complex)

Synergistic NAD+ elevation beyond NR alone

250–500 mg/day RiaGev®; formulated to optimize both NR and ribose at doses below their

Muscle strength and endurance preservation

Standard dose: 500-1,000 mg/day urolithin A direct supplementation. Most clinical

zümXR® (Targeted-Release Caffeine Technology — PLT Health)

Custom energy profile design

Caffeine doses typically 50-300 mg per serving (matching immediate-release caffeine

Alpinia galanga (Greater Galangal)

Caffeine-free alertness and attention

300 mg/day standardized Alpinia galanga rhizome extract — the dose used in published

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.

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

Kaneka Ubiquinol™ (Reduced Coenzyme Q10)

Cellular energy

Typically 100 to 200 mg per day.

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.

Stress and fatigue reduction

200–600 mg/day standardized extract; taken before meals

Stress-related fatigue reduction

200–400 mg/day of standardized Rhodiola rosea extract in stress, anxiety, and fatigue

Ubiqsome® (Coenzyme Q10 Phytosome — Indena)

Mitochondrial Energy Production

100-300 mg/day Ubiqsome (CoQ10 equivalent)

Cereboost™ (American Ginseng for Cognition — Givaudan)

Mental Fatigue Reduction

200 mg/day Cereboost (research-validated)

Coffee Fruit Extract (CoffeeFruit Pure™)

Energy without jitters

100–200 mg/day whole coffee fruit concentrate; NeuroFactor™ clinical dose: 100 mg/day

MCT Oil (Medium-Chain Triglycerides)

Rapid energy production and ketone generation

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.

NEOBEE® (Medium-Chain Triglycerides — Stepan)

Commonly 10 to 20 grams per day with meals.

Oxaloacetate (Anhydrous Enol)

Cellular energy metabolism support

Standard dose: 100-300 mg/day anhydrous enol oxaloacetate (benaGene™). Cognitive

Sabrolithin® A&B (Urolithin A + Urolithin B)

Mitochondrial Health Support (via Urolithin A)

Human trials used urolithin A alone at 500 to 1,000 mg a day; no published trial has tested the Sabrolithin A&B blend itself.

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.

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.

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.

PANMOL® NADH Micro

Cellular Energy Support

5-10 mg/day taken sublingually or on an empty stomach in morning; CFS trial used 10

Robuvit® (French Oak Wood Extract)

Healthy energy and reduced tiredness

300 mg/day Robuvit®; fatigue studies use 300 mg/day; athletic performance: 300 mg/day

CordycepsPrime™ (Fermented Cordyceps sinensis Mycelium Extract)

Daily energy and stamina: never measured in a trial

The supplier lists 500 mg/day, but no published trial has used that dose or this material; the tested doses of about 1 to 4 g/day belong to other cordyceps products.

D-Ribose (Bioenergy Ribose®)

ATP regeneration and cellular energy recovery

5–15 g/day in divided doses; athletic performance: 5 g pre/post exercise;

Eleuthero / Siberian Ginseng (Eleutherococcus senticosus)

Athletic Performance and Endurance

300-1,200 mg/day standardized extract; root powder 1-3 g/day

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.

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.

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.

Magnesium Aspartate

Energy metabolism

Repletion typically targets 200-400 mg elemental magnesium daily; older fatigue

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.

Mitopure® (Urolithin A — Amazentis)

Foundational mitochondrial function trials

Standard clinical dose: 500-1,000 mg/day Mitopure®. Most clinical trials use 500-1,000

PurTea® (Organic Green Tea Caffeine — Applied Food Sciences)

Energy and alertness

Commonly 100 to 200 mg of caffeine per serving.

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

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.

Sucrosomial Magnesium

Energy and fatigue

Bioavailability research administered around 350 mg elemental magnesium; products

BioPQQ® (Pyrroloquinoline Quinone — Mitsubishi)

Mitochondrial and energy support

About 20 mg per day.

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

CarnoLife® (L-Carnitine L-Tartrate)

Energy metabolism

Commonly 1 to 2 grams of L-carnitine L-tartrate per day.

Chocamine® (Cocoa Extract — RFI)

Energy and focus: not measured in the cited research

Commonly around 500 mg to 1.5 g of cocoa extract per day.

15–30 mL/day (1–2 tablespoons); MCT oil fractionated from coconut: 15–30 mL/day;

CordyFuel™ (Branded Cordyceps Extract)

Supports exercise endurance and oxygen utilization

Branded-specific dosing is not well defined in indexed trials. Class-level cordyceps

EnergySMART® (Low-Glycemic Carbohydrate Complex — Anderson)

Sustained energy

Per the product or recipe.

FastBliss® (Paraxanthine)

Energy and alertness without the crash

50–200 mg/day paraxanthine; cognitive benefits at doses as low as 50 mg; full effect

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.

Finomate® (Green Mate Extract — Frutarom)

Appetite and energy

Per the product specification.

FitNox® (Plant Nitric Oxide Complex)

Energy and stamina

Around 250 mg per day.

GeeQTen® (Coenzyme Q10)

Cellular energy

Commonly 100 to 200 mg per day.

Lipofer® (Microencapsulated Iron — Lubrizol)

Energy and oxygen transport

Providing a typical supplemental iron dose, often around 14 to 18 mg per day.

Magnesium Lactate

Energy metabolism

Repletion typically targets 200-400 mg elemental magnesium daily; sustained-release

PQQ (Pyrroloquinoline Quinone)

Mitochondrial biogenesis (laboratory evidence)

10–20 mg/day; 20 mg most studied for cognitive effects; often combined with 200–300 mg

Testncrease® (Testosterone Support Blend)

Energy, mood, and vitality

Per Testncrease® product specifications; typically 2 capsules/day with meals; clinical

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.

Yerba Mate (Ilex paraguariensis)

Caffeine Content (No Energy Trial Cited)

3 g a day of yerba mate capsules for 12 weeks in the only cited trial; supplements sold at 500 to 2,000 mg a day are below the amount that was tested.

α-Lacys Reset® (Alpha-Lipoic Acid and Cysteine Complex — Nutraceutics)

Energy metabolism (mechanism only — no outcome shown)

Used at about 25 mg per day in finished formulas, far below the 300 to 1800 mg per day alpha-lipoic acid doses in the weight-loss trials. No trial shows 25 mg reproduces those results.

Adenosine 5'-Triphosphate (ATP)

Energy Currency Support

400 mg/day disodium ATP (research-validated dose, primarily based on PEAK ATP studies)

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.

Sulbutiamine (Arcalion)

Asthenia (a foreign prescription-drug fatigue indication)

ASTHENIA (Arcalion approved): 200-600 mg/day divided. Shipelowitz 1984 best at 600 mg.

Traditional use for energy and stamina

Traditional amounts, not tested doses: 1 teaspoon (about 5 g) to 1 tablespoon (15 g) daily, or capsules of 500–1,500 mg per serving. No cited trial established a dose of bee pollen.

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

NMN (Nicotinamide Mononucleotide)

NAD+ restoration

250–500 mg/day (commonly studied); up to 1,200 mg/day in clinical trials

PureATP (Pure Adenosine 5'-Triphosphate Disodium)

Blood Flow: Rat Data and an Uncontrolled Pilot

400 mg/day ATP disodium in enteric-coated capsules, the dose used in the branded-ingredient trials. None tested an uncoated bulk powder.

PrimaVie® (Shilajit Extract — Natreon)

Mitochondrial energy and CoQ10 potentiation

Clinical trial dose: 250 mg twice daily (500 mg/day total) for 90 days. CoQ10

Codonopsis pilosula (Dang Shen / Poor Man's Ginseng)

Traditional use for tiredness, with no human trial of Codonopsis alone

TCM TYPICAL: 9-15 g/day root decoction. oncology adjunct: oral liquid (approved

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.

Supports Energy and Recovery

Typical supplemental doses 500-1500 mg oyster extract daily; clinical trials have used

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);

Mitochondrial energy: a laboratory and animal idea only

Standard clinical dose: 250 mg twice daily (500 mg/day total) of purified shilajit

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.

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.

Phenylpiracetam (Phenotropil / Carphedon)

Fatigue and low energy: not supported by the studies cited here

No dose has been established for healthy people; the cited studies were in stroke patients under supervision, and the 100 to 200 mg a day figures online come from user communities, not trials.

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.

Supports Endogenous ATP Production

150 mg/day in branded human studies, taken with or without other workout ingredients.

Ergothioneine (ErgoActive®)

Mitochondrial protection and bioenergetics

5–30 mg/day; most human studies use 5–20 mg/day; dietary intake from mushrooms

GS15-4® (Enzyme-Fermented Ginseng — Ilhwa)

Energy and vitality

Around 165 mg of fermented ginseng extract per day.

Actiful® (Orange and Pomegranate Complex — Solabia)

Energy and vitality

Around 600 to 700 mg per day.

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.

TruFulvic® (Fulvic Acid from Shilajit — Natreon)

Cellular energy

Products commonly supply about 250 to 500 mg per day, but no trial of TruFulvic has established a dose; the cited human study used 250 mg twice daily of purified whole shilajit, a different material.

FerroChel® (Ferrous Bisglycinate Chelate)

Iron for energy (deficiency-related)

Typical FerroChel® doses provide 14–28 mg elemental iron once daily for routine

Methylcobalamin (Active B12)

B12 for energy metabolism

500-2,000 µg/day sublingual or oral for general supplementation; 1,000-2,500 µg/day

AB-Fortis® (Microencapsulated Iron — Frutarom)

Iron for energy (deficiency-related)

Per AB-Fortis product specification (typical 8-18 mg elemental iron/day)

Advantra Z® (Bitter Orange p-Synephrine — Nutratech)

Fat oxidation during exercise

Commonly 50 mg of p-synephrine per day, often taken before activity.

Carnipure® (L-Carnitine — Lonza)

L-carnitine for energy metabolism

Same as generic L-carnitine: 1-3 g/day general supplementation. Specific applications:

Tesnor® (Pomegranate + Cocoa Testosterone Support — Saanroo)

Testosterone increase in young men

400 mg/day Tesnor is the optimal clinical dose used across all three pivotal RCTs. 200

Zynamite® S (Non-Stim Mental Energy — Water Soluble)

Faster information processing after a single dose

100–150 mg Zynamite® S (single dose, acute cognitive benefits within 30 minutes); 150

Beef Heart (Desiccated)

Richest natural food source of CoQ10

Typical supplementation: 1.5-3 g/day (2-4 capsules at 750 mg each) desiccated beef

Beef Liver (Desiccated)

Highest natural source of preformed vitamin A (retinol)

Typical supplementation: 3-6 g/day (4-8 capsules at 750 mg each) desiccated beef

Beef Spleen (Desiccated)

Highest natural source of heme iron

Typical supplementation: 1.5-3 g/day (2-4 capsules at 750 mg each) desiccated beef

CardaMind™ (Black Cardamom Cognitive Performance — Akay Bioactives)

Caffeine-free energy & focus

250 mg/day CardaMind (MA2-24) — the dose used in the pivotal clinical trial. Effects

EnduBerry™ Nu

Faster 5 km run in one trial, using 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.

enfinity® Paraxanthine

Paraxanthine — clean energy

100-200 mg per serving; 50, 100, and 200 mg evaluated in published dose-response trials.

goBHB® (Beta-Hydroxybutyrate Ketone Salts)

Rapid ketosis and alternative brain fuel

6-12 g of BHB salts per day raises blood ketones by about 0.5 to 1.0 mmol/L, a modest ketosis; as a racemic salt only about half is the usable D-BHB.

LJ100® (Tongkat Ali — HP Ingredients)

Testosterone support trials

Standard formulation use: 100-300 mg LJ100® daily. Most clinical trials use 200

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.

Catuaba (Trichilia catigua)

Dopamine-mediated antidepressant-like mechanism

No human trial has established an effective dose; amounts sold come from labels and tradition, such as 500-1,000 mg of bark extract 1-2 times a day, roughly 500-1,500 mg a day.

ChloroBlast® (Alfalfa Chloroplast Concentrate — Ingredients by Nature)

Green-nutrient support

Per the product specification.

elemin® (Senonian Trace Minerals — VDF FutureCeuticals)

Trace-mineral support

No clinical dose has been established for elemin; follow the amount stated on the finished product label.

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.

MineralLogic MLG-50®

Provides Plant-Source Trace Minerals

Manufacturer-recommended servings typically 100-300 mg daily; no validated clinical

MitoGreens® (Ergothioneine-Amplified Superfood Greens — NNB Nutrition)

L-Ergothioneine: what the research actually shows

MitoGreens has not been tested at any dose in a published human trial; the supplier serving is 100 mg of the blend per day.

p-Synephrine (Bitter Orange)

Metabolic Rate: Small and Not Significant for Synephrine Alone

Most human studies used p-synephrine 25-50 mg per day, alone or combined with caffeine

Phenylethylamine (β-PEA)

Reported Mood Lift (Anecdotal, Not Tested)

No dose has been established for PEA alone; supplements supply 100 to 500 mg per serving. The case report used 10 to 60 mg/day with a prescription MAO-B inhibitor, dangerous outside medical care.