Lactic Acid | whatsinit

About

What it is and where it shows up.

Lactic acid is a naturally occurring organic acid produced primarily by microbial fermentation of carbohydrates; it is widely used in food manufacturing as an acidity regulator, mild preservative, and flavouring agent in dairy products, beverages, dressings, pickled goods, and baked goods.

Safety summary

The regulatory and scientific consensus.

JECFA established an ADI of 'not limited' for lactic acid (L-, D- and DL- forms) in 1974, supported by the EU Scientific Committee on Food in 1991, reflecting its long history of safe use as a normal endogenous human metabolite. No adverse effects have been identified at food-use levels in the general population, and the FDA has affirmed it as GRAS. Premature infants and neonates under 12 weeks have limited capacity to metabolise the D(-)-isomer, warranting particular caution for that subgroup.

Regulatory landscape

What food-safety regulators have decided.

Jurisdiction	Status	Note
EFSA (European Food Safety Authority) (European Union)	Approved	Authorised as acidity regulator (E270) in Annex II and III to Regulation (EC) No 1333/2008; ADI 'not limited' per JECFA 1974, endorsed by EU SCF 1991; quantum satis (GMP) limits apply across most food categories.source
FSSAI (Food Safety and Standards Authority of India) (India)	Approved	Listed as INS 270 (Lactic acid, L-, D- and DL-) and classified as an acidity regulator; permitted at GMP levels across multiple food categories under FSSAI Food Products Standards and Food Additives Regulations, 2011 (Appendix C, Version 1, 01.09.2023).source
FDA (Food and Drug Administration) (United States)	Approved	GRAS-affirmed under 21 CFR 184.1061; permitted as a multipurpose food ingredient at Good Manufacturing Practice (GMP) levels.source

Who should approach with care

Whose guidance would steer them away.

Infants — Premature neonates and infants under 12 weeks have a limited enzymatic capacity to metabolise the D(-)-lactic acid isomer; EFSA recommends specific risk assessments before authorising food additives containing lactic acid for use in foods intended for this age group.

Research citations

The sources behind this verdict.

1WHO. FAO/WHO GSFA Online – Lactic acid, L-, D- and DL- (INS 270). fao.org
2FDA. 21 CFR 184.1061 – Lactic Acid (GRAS Affirmation). accessdata.fda.gov
3FSSAI. FSSAI Appendix C – List of Permitted Food Additives (Version 1, 01.09.2023), 2023. fssai.gov.in
4EFSA. Safety of lactic acid and calcium lactate when used as technological additives for all animal species, 2019. efsa.europa.eu
5other. Regulation (EC) No 1333/2008 of the European Parliament and of the Council on food additives, 2008. eur-lex.europa.eu

Independently researched5 citations