Evidence supporting the use of: Amino Acid Blend/Complex
For the health condition: Body Building

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Amino acid blends or complexes are widely used in bodybuilding, and their efficacy is supported by scientific evidence, particularly for muscle growth, recovery, and performance enhancement. Amino acids, especially essential amino acids (EAAs) and branched-chain amino acids (BCAAs: leucine, isoleucine, and valine), are fundamental building blocks of muscle protein. Numerous studies have shown that amino acid supplementation, particularly when timed around resistance exercise, stimulates muscle protein synthesis and aids in muscle repair and growth. Leucine, in particular, plays a key role in activating the mTOR pathway, which is critical for muscle protein synthesis.

Research indicates that consuming adequate protein and amino acids can improve muscle mass and strength gains when combined with resistance training. BCAA supplementation may help reduce exercise-induced muscle damage and decrease perceived muscle soreness, although whole protein sources are generally more effective. Some studies suggest that amino acid blends can help prevent muscle breakdown (catabolism) during intense training or caloric deficits.

While not all amino acid complex supplements provide additional benefits compared to high-quality dietary protein, there is strong scientific support for the role of amino acids in supporting muscle hypertrophy and recovery. The overall evidence base is robust, though results can vary based on specific formulations, dosage, and individual diet. Thus, the use of amino acid blends in bodybuilding is scientifically justified, with a moderate to strong evidence rating.

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Other ingredients used for Body Building

7-Keto-DHEA
Acetyl L-carnitine
adenosine 5-triphosphate disodium (ATP)
alpha-ketoglutarate (AKG)
amino acids
anchovies
ashwagandha
aspartic acid
beta-alanine
bovine
branched-chain amino acids
caffeine
capsaicinoids
Coleus forskohlii
conjugated linoleic acid (CLA)
creatine monohydrate
curcumin
gelatin
ginseng
greens blend (proprietary)
hydroxycitric acid
l-isoleucine
iron
L-cysteine
L-glutamine
L-glycine
L-leucine
L-methionine
L-ornithine
L-valine
magnesium
maltodextrin
Milk
omega-3 fatty acids
ornithine alpha-ketoglutarate
protein
Almond fruit
vitamin D
Whey protein
Zinc
wheat germ
Algae
chickpea protein
brown rice protein
AMP-activated protein kinase (AMPK)
1,3,7-Trimethylpurine-2,6-dione
4-DHEA
arginine alpha ketoglutarate
arachidonic acid
Arginine malate
Alpha glyceryl
Alpha-ketoisocaproic acid
Adenosine triphosphate (ATP)
Algal protein
Alpha hydroxyisocaproic acid
anti-aromatase
animal protein
Beef Protein
beef
Beef liver
bovine protein
beta-lactoglobulin
ba ji tian
banana
chia seed
casein
cardarine
Citrus
capsaicin
capsiate
D-Aspartic Acid
dihydrocapsiate
deer velvet
D-Ribose
dextrose
eurycomanone
egg
Eurycoma Longifolia
ecdysteroids
Ethyl-Alpha-Guanido-Methyl-Ethanoate
ecdysterone
Egg protein
fungus
Fadogia agrestis
forskolin
glucose
hydroxymethylbutyrate
HMB hydroxymethylbutyrate
Isoleucine
ketosterones
leucine alpha-ketoglutarate
lactalbumin
lactoglobulin
lipids
Marine protein
Milk Protein
Phytoecdysteroid
Protodioscin
Phosphatidic Acid
Palatinose
propionate ester
Peptides
Rhaponticum
Synephrine
Safed musli
Ursolic Acid
Yohimbine
Zucchini

Products containing Amino Acid Blend/Complex

We currently have no products on Vitabase that contain this ingredient.