Supplement Scholar
Fitness & Performance

Muscle Growth

Hypertrophy and lean mass.

48 profiles, most-studied first
C4H11N3O3

Creatine Monohydrate

The most-studied and effective ergogenic aid — replenishes ATP via the phosphocreatine system.

Compound12 studies
Mg

Magnesium

Essential cofactor in 300+ enzymatic reactions, from ATP production to muscle relaxation.

Mineral12 studies
C28H38O6

Ashwagandha

Adaptogenic herb that down-regulates HPA-axis output — lowers cortisol, supports T in stressed men.

Herb11 studies
C8H20NO6P

Alpha-GPC

Bioavailable choline source studied for cognition and acute power output.

Nootropic9 studies
C6H13NO2

BCAAs

Branched-chain amino acids — leucine is the primary mTOR signal for muscle protein synthesis.

Amino Acid9 studies
C5H11NO2

Betaine Anhydrous (TMG)

Methyl donor — improves power output and lowers homocysteine.

Compound9 studies
C10H19N3O8

Citrulline Malate

NO precursor stacked with malate — improves pump and reduces post-workout soreness.

Amino Acid9 studies
C5H10O3

HMB

Leucine metabolite reducing muscle protein breakdown, useful in untrained/elderly populations.

Compound9 studies
C38H49N9O5

Ipamorelin

Selective GH secretagogue researched for muscle and recovery; not FDA approved.

Peptide9 studies
C6H13NO2

L-Leucine

Essential BCAA and primary anabolic signaler via mTORC1 activation.

Amino Acid9 studies
C6H13NO2

Whey Protein

Fast-digesting complete protein rich in leucine for muscle protein synthesis.

Compound9 studies
C15H14O6

(-)-Epicatechin

Cocoa flavanol that suppresses myostatin and improves NO.

Compound8 studies
C15H14O6

(−)-Epicatechin

Cocoa flavanol for follistatin/myostatin.

Compound8 studies
C27H44O7

20-Hydroxyecdysone

Spinach ecdysteroid.

Compound8 studies
C27H42O5

5α-Hydroxy Laxogenin

Plant spirostan for muscle.

Compound8 studies
C5H4O5-2

Alpha-Ketoglutarate (AKG)

TCA-cycle intermediate studied for healthspan and frailty.

Compound8 studies
C20H32O2

Arachidonic Acid

Omega-6 for muscle inflammation signaling.

Fatty Acid8 studies
C6H13NO2

BCAA 2:1:1

Leucine:Isoleucine:Valine for muscle.

Amino Acid8 studies
C3H7NO2

Beta-Alanine

Carnosine precursor buffering muscle pH during high-intensity work (60–240 sec).

Amino Acid8 studies
C6H13NO2

Brown Rice Protein

Hypoallergenic plant protein.

Compound8 studies
C4H9N3O2

Buffered Creatine (Kre-Alkalyn)

pH-buffered creatine.

Compound8 studies
C165H269N47O46

CJC-1295

GHRH analog with extended half-life.

Peptide8 studies
C6H13NO2

Casein Protein

Slow-digesting milk protein providing sustained amino acid release, popular pre-sleep.

Compound8 studies
C6H13N3O2

Creatine Ethyl Ester

Ester form of creatine.

Compound8 studies
C4H10ClN3O2

Creatine HCl

Alternative creatine form marketed for higher solubility; efficacy equivalent to monohydrate per gram active creatine.

Amino Acid8 studies

Deer Antler Velvet

IGF-1-containing traditional preparation marketed for recovery.

Compound8 studies
C6H13NO2

EAA Blend (Essential Amino Acids)

Complete essential amino blend.

Amino Acid8 studies
C6H13NO2

EAAs (Essential Amino Acids)

All 9 essential amino acids; superior to BCAAs alone for MPS.

Amino Acid8 studies
C27H44O7

Ecdysterone (Isolated)

Spinach/Rhaponticum-derived steroid with anabolic claims.

Compound8 studies
C6H13NO2

Egg White Protein

Highest PDCAAS plant-free protein.

Compound8 studies
C6H13NO2

Essential Amino Acids (EAA)

Full-spectrum EAA blend providing all 9 essentials for MPS.

Amino Acid8 studies
C5H10O3

HMB-Free Acid

Faster-absorbing HMB form.

Compound8 studies
C6H13NO2

Hemp Protein

Cannabis sativa seed protein.

Compound8 studies
C6H13NO2

L-Leucine

Branched-chain amino acid that triggers mTOR.

Amino Acid8 studies
C5H11NO2

L-Valine

BCAA for endurance.

Amino Acid8 studies
C6H13NO2

Leucine (Mono)

Pure leucine for mTOR.

Amino Acid8 studies
C27H36N4O5S

MK-677 (Ibutamoren) — Ref

Oral ghrelin mimetic that raises GH/IGF-1 (research reference).

Compound8 studies
C4H8MgN2O4

Magnesium Glycinate

Bisglycinate chelate form of magnesium — gentle, well-absorbed, ideal for sleep.

Mineral8 studies
C6H13NO2

Micellar Casein

Slow-digesting milk protein.

Compound8 studies
C6H13NO2

Pea Protein Isolate

Plant-based protein.

Compound8 studies
C35H69O8P

Phosphatidic Acid

Phospholipid activator of mTORC1 marketed for hypertrophy.

Compound8 studies
C27H44O7

Rhaponticum Carthamoides

Russian adaptogen with ecdysteroid content for performance.

Herb8 studies
C27H44O7

Suma Root

Brazilian ginseng adaptogen.

Herb8 studies
C27H44O8

Turkesterone

Ajuga turkestanica ecdysteroid.

Compound8 studies
C13H8O4

Urolithin A

Gut-microbial metabolite of ellagitannins — induces mitophagy.

Compound8 studies
C30H48O3

Ursolic Acid

Apple-peel triterpene with anabolic and lipolytic effects in rodents.

Compound8 studies
O5SV

Vanadyl Sulfate

Trace mineral with insulin-mimetic effects studied for T2DM.

Mineral8 studies
C6H13NO2

Whey Protein Isolate

Highly bioavailable protein.

Compound8 studies