Evidence supporting the use of: Amino Acid (unspecified)
For the health condition: Muscle Tone (lack of)
Synopsis
Source of validity: Scientific
Rating (out of 5): 3
Amino acids are the building blocks of proteins, which are essential for muscle structure and function. Research has shown that supplementation with specific amino acids, particularly essential amino acids and branched-chain amino acids (BCAAs), can support muscle protein synthesis, especially in individuals with compromised nutritional status or muscle wasting conditions. Some clinical studies suggest that amino acid supplementation can help maintain or improve muscle tone and mass in populations such as the elderly, patients recovering from illness, or those experiencing muscle atrophy due to inactivity. However, the evidence is moderate rather than strong, as many studies focus on muscle protein synthesis rather than direct clinical endpoints like muscle tone or function. Additionally, the term "Amino Acid (unspecified)" is nonspecific, and not all amino acids have the same effects on muscle tissue. Most research supports the use of well-defined amino acid blends or specific essential amino acids. Thus, while there is scientific rationale and some clinical evidence for amino acid supplementation in supporting muscle tone (particularly when dietary intake is inadequate), the overall quality and specificity of evidence are moderate.
More about Amino Acid (unspecified)
More about Muscle Tone (lack of)
Other ingredients used for Muscle Tone (lack of)
adenosine 5-triphosphate disodium (ATP)alpha-ketoglutarate (AKG)
amino acids
ashwagandha
astaxanthin
beet
branched-chain amino acids
calcium
caterpillar mushroom
cissus quadrangularis
coenzyme Q10 (CoQ10)
conjugated linoleic acid (CLA)
cordyceps
creatine monohydrate
fish protein
l-isoleucine
l-arginine
l-carnitine
l-citrulline
l-leucine
l-valine
maca
magnesium
ornithine alpha-ketoglutarate
phytocannabinoids
potassium
sardines
black ginger
tongkat ali
Urolithin A
vitamin D
whey protein
atractylodes
cistanche
electrolytes blend (proprietary)
camphor oil
chickpea protein
brown rice protein
AMP-activated protein kinase (AMPK)
Aralia
Arginine Alpha Ketoglutarate
Antler
Arginine Creatine
Alpha-ketoisocaproic acid
Algal protein
Alpha hydroxyisocaproic acid
Animal protein
Beef Protein
Beef
Beef liver
Bovine Protein
beta-lactoglobulin
Banyan
Ba Ji Tian
BCAA
Casein
Chinese Silkvine
Chinese Mountain Ant
Cyathula
Chuchuhuasi
Creatine
Chicken
Deer Velvet
Egg
Ecdysteroids
Ecdysterone
Egg protein
Isoleucine
Milk Protein
Quinoa Protein
salt
Other health conditions supported by Amino Acid (unspecified)
AnorexiaAthletic and Exercise Aids
Body Building
Burns and Scalds
Cancer Treatment (reducing side effects)
Convalescence
Depression
Energy (lack of)
Hair (loss or thinning)
Liver Detoxification
Muscle Tone (lack of)
Wasting