Phosphoric Acid (INS 338)

Inorganic mineral acid providing tart acidity in dark colas (pH ~2.5). Frequent ingestion without balanced dietary calcium affects calcium-phosphorus homeostasis and causes dental enamel demineralization.

Common Label Aliases & Codes

ins 338e338acidity regulator (338)phosphoric acidorthophosphoric acid

Intended Use & Application

Industrial beverage acidulant and preservative stabilizer.

Exposure Context: Found universally in mass-market industrial colas and carbonated soft drinks.

Regulatory Standing (FSSAI / FDA / EFSA)

Permitted acidity regulator under FSSAI Beverages Standards (max 700 ppm). EFSA re-evaluation 2019 established Group ADI of 40 mg/kg bw/day.

Dietary Guidance: Chronic high intake is associated with dental erosion and potential bone mineral density reduction. Moderate consumption and prefer citric-acid or natural beverages.

Recommended Healthier Alternatives

Fresh Nimbu Soda (Natural Citric Acid)

Spiced Buttermilk (Chaas)

Tender Coconut Water

Authoritative References & Government Gazettes

•EFSA Journal 2019;17(6):5674
•FSSAI Food Additives Regulations 2011
•American Journal of Clinical Nutrition 2006;84(4):936-942

Clinical Disclaimer: This dossier is maintained by the FIT4 Sovereign Clinical Food Science Directorate for public health education. It does not provide medical diagnosis, individual allergy therapy, or prescriptive medical advice. Evaluate products based on their actual label and intended use.