Check a pair

Supplements for Energy & Metabolism

Energy & Metabolism: 60 compounds are used here, 26 of them at evidence level A. The most used is Vitamin B12 (Methylcobalamin). Between them there are 308 documented interactions — which is why the order and timing of a stack matters as much as the choice.

60 compounds
308 interactions
26 evidence A

Where the evidence is strongest

Ranked by popularity, with what each one actually does

Ashwagandha

Stress management & energy

300-600mg With food Evidence A High absorption

L-Carnitine

Fat metabolism & energy

1-3g Pre workout or meals Evidence A Very high absorption

Coconut Oil

Metabolism & brain energy

15-45ml Morning or pre workout Evidence B Very high absorption

What these are, chemically

7 types
Botanicals 16 Vitamins 12 Compounds 11 Minerals 10 Amino Acids 6 Fatty Acids 4 Enzymes 1

Most searched here

what people in this group actually look up
Ashwagandha Stress management & energy 300-600mg A 75% Vitamin B12 (Cyanocobalamin) Energy & nerve support 250-1000 mcg A 70% Coenzyme Q10 (CoQ10) Heart health & cellular energy 100-200mg A 10% Phosphorus Bone health & energy metabolism 700-1250mg A 80% Vitamin B3 (Niacinamide) Energy & skin health (no flush) 100-1000 mg A 88% Berberine for Advanced Glucose Control and Metabolic Support Blood sugar control & metabolic support 1500mg daily (500mg x3) A 60%

Which form to buy

the question people actually search
Best form of Magnesium 6 forms Magnesium L-Threonate · 95% Best form of Selenium 2 forms Selenium (Selenomethionine) · 95% Best form of Vitamin B12 4 forms Vitamin B12 (Methylcobalamin) · 85%

Choosing between forms

Same compound, different absorption
Vitamin B12 (Cyanocobalamin) vs Vitamin B12 (Methylcobalamin) 70% · 85% Vitamin B12 (Adenosylcobalamin) vs Vitamin B12 (Methylcobalamin) 80% · 85% Vitamin B12 (Adenosylcobalamin) vs Vitamin B12 (Cyanocobalamin) 80% · 70%

All 60 compounds

dose · evidence · documented interactions
Vitamin B12 (Methylcobalamin) Energy & nerve support 500-1000 mcg A 5 Ashwagandha Stress management & energy 300-600mg A 5 Vitamin B12 (Cyanocobalamin) Energy & nerve support 250-1000 mcg A 6 L-Carnitine Fat metabolism & energy 1-3g A 5 Coconut Oil Metabolism & brain energy 15-45ml B 5 Beta-Alanine Muscular endurance & fatigue resistance 3-5g A 5 Coenzyme Q10 (CoQ10) Heart health & cellular energy 100-200mg A 5 Berberine for Advanced Glucose Control and Metabolic Support Blood sugar control & metabolic support 1500mg daily (500mg x3) A 5 Magnesium Malate Energy production & fibromyalgia support 600-1200 mg B 5 L-Isoleucine Muscle energy & endurance support 1-6g A 5 Green Coffee Bean Extract Weight management & metabolism boost 200-800mg B 5 Rhodiola Rosea Mental performance & fatigue relief 200-400mg A 5 Iodine (Thyroid Support) Thyroid hormone production 150-300mcg A 5 Cayenne Pepper Thermogenesis & appetite control 500-2000mg extract B 5 Apple Cider Vinegar Blood sugar & digestive support 1-2 tablespoons diluted B 5 Panax Ginseng Energy enhancement & stress adaptation 200-400mg A 5 Vitamin B3 (Niacinamide) Energy & skin health (no flush) 100-1000 mg A 5 Chromium GTF Blood sugar control & insulin support 200-400 mcg A 6 Selenium (Thyroid Support) Thyroid hormone metabolism 100-200mcg A 5 Astragalus Immune enhancement & energy support 1000-3000mg B 5 CLA (Conjugated Linoleic Acid) Fat loss & body composition 3-6g B 5 Macadamia Oil Heart health & metabolic support 15-30ml B 5 Maca Root Energy & hormonal balance 1500-3000mg B 5 Garcinia Cambogia Appetite control & weight management 500-1500mg C 5 MCT Oil (Medium-Chain Triglycerides) Rapid energy & ketone support 1-3 tablespoons B 5 Green Tea Extract (EGCG) Antioxidant & weight support 200-500mg EGCG A 5 Vitamin B3 (Niacin) Cholesterol & energy support 50-500 mg A 5 Chromium (Metabolism) Blood sugar & insulin support 200-400mcg B 5 Iodine (Potassium Iodide) Essential thyroid & metabolism support 150-300 mcg A 6 Alpha-Lipoic Acid (ALA) Blood sugar & nerve health 200-600mg A 5 Berberine Blood sugar control & metabolic health 1000-1500mg A 5 Phosphorus Bone health & energy metabolism 700-1250mg A 5 L-Aspartic Acid Energy production & athletic performance 2-6g B 5 Vitamin B1 (Thiamine) Energy metabolism & brain function 25-100 mg A 6 Bitter Orange Thermogenesis & metabolism boost 200-600mg extract C 5 Vitamin B5 (Pantothenic Acid) Energy metabolism & stress support 100-500 mg A 5 Sulbutiamine Mental energy & cognitive enhancement 200-400mg B 5 Chromium Picolinate Blood sugar control & metabolism 200-400 mcg B 5 Vitamin B2 (Riboflavin) Energy production & migraine prevention 25-100 mg A 6 Acetyl-L-Carnitine Brain energy & cognitive support 1000-3000mg B 5 Copper Bisglycinate Collagen synthesis & iron metabolism 1-3 mg B 6 Urolithin A for Mitochondrial Health and Cellular Energy Mitochondrial health & cellular energy 500-1000mg daily B 5 L-Alanine Glucose metabolism & muscle energy 2-6g B 5 Fenugreek Blood sugar control & testosterone support 500-1000mg B 5 Cellulase Plant fiber digestion 500-2,000 CU with meals B 5 Cordyceps Energy & athletic performance 500-3000mg B 5 Vitamin B2 (Riboflavin-5-Phosphate) Active energy production & antioxidant 10-50 mg A 5 Gymnema Sylvestre Blood sugar control & sugar craving reduction 400-800mg B 5 Forskolin Weight loss & fat burning 125-500mg C 5 Vitamin B6 (Pyridoxal) Basic amino acid & protein metabolism 2-25 mg A 5 PQQ (Pyrroloquinoline Quinone) Brain health & mitochondrial support 10-20mg B 5 Vitamin B5 (Pantethine) Cholesterol & advanced energy support 300-900 mg B 5 Holy Basil Stress relief & blood sugar support 300-600mg C 5 Vitamin B6 (Pyridoxamine) Anti-glycation & advanced glucose support 25-200 mg B 5 Vitamin B12 (Adenosylcobalamin) Mitochondrial energy & metabolism 1000-3000 mcg B 5 Maitake Blood sugar control & immune support 500-3000mg B 5 D-Ribose for Heart Energy Heart energy & ATP production 5-15 g B 6 Vanadium Glucose metabolism support 10-100mcg C 5 Yohimbine Fat burning & energy enhancement 5-20 mg B 6 T3 Liothyronine - Active Thyroid Hormone Active thyroid hormone & metabolism PRESCRIPTION ONLY - 5-50mcg A 5

Common questions

What are the best supplements for energy & metabolism?

By usage and evidence: Vitamin B12 (Methylcobalamin), Ashwagandha, Vitamin B12 (Cyanocobalamin). 26 compounds here carry evidence level A, meaning the effect was studied directly rather than inferred.

How many supplements for energy & metabolism can you take at once?

There is no fixed limit, but every added compound multiplies possible interactions. The compounds on this page have 308 documented interactions between them — check a pair before stacking it.

How long until supplements for energy & metabolism start working?

Depends on the compound. Each page lists first effects and peak benefit windows separately, because the two differ by weeks for most compounds.