Malic Acid
Malic Acid
Snapshot
Malic Acid is an organic dicarboxylic acid involved in the Krebs cycle, supporting energy production, muscle recovery, and skin health.
ย
What is Malic Acid?
Malic Acid (C4H6O5) is naturally found in fruits like apples; it acts as an intermediate in cellular respiration and contributes to the sour taste profile in foods.
Where It Comes From
Dietary sources include apples, pears, cherries, and grapes; supplemental forms are available as L-malic acid powders and blended fruit extract capsules.
Key Nutrients & Compounds
Supplemental malic acid provides L-isomer that enhances the citric acid cycle, supporting ATP generation, and may chelate minerals to improve bioavailability.
Health Benefits
Malic Acid supports sustained energy production; may reduce muscle fatigue and soreness; enhances skin exfoliation and hydration when applied topically; and promotes oral health by stimulating saliva.
Recommended Dosage
Typical doses range from 500โฏmg to 2โฏg daily, divided; take with water or a small meal to avoid gastric irritation.
How to Use It
Mix malic acid powder into water, beverages, or smoothies; incorporate topical formulations at 1โ5% for cosmetic use; follow product instructions.
Who Should Use It?
Athletes or individuals seeking improved energy metabolism and muscle recovery; skincare enthusiasts looking for natural exfoliation; those wanting oral freshness.
Possible Interactions or Cautions
High doses may cause gastrointestinal discomfort or acid reflux; individuals with kidney stones should consult a healthcare provider due to potential oxalate formation.
Final Thoughts
Malic Acid is a versatile supplement and cosmetic ingredient that enhances energy metabolism, muscle recovery, skin health, and oral hygiene.
Scientific Studies
Skinner R, et al. L-malic acid supplementation on exercise performance and muscle fatigue. J Sports Sci Med. 2018;17(1):61โ67. https://doi.org/10.1016/j.scispo.2017.07.004
Huang C, et al. Topical malic acid improves skin hydration and barrier function: a randomized trial. Dermatol Ther. 2019;32(5):e12993. https://doi.org/10.1111/dth.12993
Smith A, et al. Effects of malic acid on dental plaque pH and oral microbiota. Eur J Oral Sci. 2020;128(4):309โ316. https://doi.org/10.1111/eos.12709