Milk and Milk Solids

About

What it is and where it shows up.

Milk is the whole fluid secretion obtained from dairy animals (cow, buffalo, sheep, goat), while milk solids refer to the dry components remaining after water removal, comprising proteins (casein, whey), lactose, minerals, and fat. They are used as functional ingredients in processed foods to provide nutrition, body, texture, and flavour.

Safety summary

The regulatory and scientific consensus.

Milk and milk solids are broadly safe and nutritionally beneficial for the general adult population, contributing essential macro- and micronutrients including calcium, high-quality protein, and vitamins. Evidence associates appropriate dairy consumption with neutral-to-reduced risk of type 2 diabetes, cardiovascular disease, and certain cancers. Adverse effects are largely confined to sensitive populations — notably those with lactose intolerance or cow's milk protein allergy — which represent medical conditions rather than population-wide risks.

Regulatory landscape

What food-safety regulators have decided.

Jurisdiction	Status	Note
EFSA (European Food Safety Authority) (European Union)	Approved	Milk and milk products are regulated as whole foods under EU food law (Regulation EC No 853/2004 on hygiene for animal products, and sector-specific marketing standards). Milk as a food ingredient requires mandatory allergen labelling under EU Regulation 1169/2011 (Annex II). No ADI is set as it is not a food additive.source
FSSAI (Food Safety and Standards Authority of India) (India)	Approved	Governed under FSS (Food Products Standards and Food Additives) Regulations, 2011, Chapter 2.1 — Dairy Products and Analogues (Version 3, 07.05.2025). Standardised milk must meet class-specific % milkfat and % milk-solids-not-fat (SNF) independently; e.g. standardised milk requires 4.5% fat and 8.5% SNF. Total urea content must not exceed 700 ppm. Products must comply with FSS (Contaminants, Toxins and Residues) Regulations, 2011.source
FDA (Food and Drug Administration) (United States)	Approved	Milk and milk products are regulated as standard-of-identity foods under 21 CFR Part 131. No ADI is assigned; they are whole foods, not additives. Yogurt must contain ≥8.25% milk solids not fat (21 CFR 131.200).source

Who should approach with care

Whose guidance would steer them away.

Lactose Intolerance — Milk solids contain lactose; individuals with lactose intolerance lack sufficient lactase and experience gastrointestinal symptoms (bloating, diarrhoea, cramping) upon consumption of lactose-containing dairy.

Infants — WHO and the US Dietary Guidelines for Americans (2020) state that unmodified cow's milk should not be used as the primary drink for infants under 12 months of age due to iron deficiency risk and high renal solute load.

Other — Individuals with diagnosed cow's milk protein allergy (CMPA) must avoid all milk and milk solids as even small amounts can trigger immune-mediated reactions ranging from urticaria to anaphylaxis; milk is a mandatory-declaration allergen under all major regulatory frameworks including EU Regulation 1169/2011 and FSSAI labelling rules.

Kidney Disease — Milk and milk solids are high in phosphorus, potassium, and protein; patients with chronic kidney disease (CKD) on restricted diets should consult a dietitian before regular consumption as excess intake may worsen renal function.

Research citations

The sources behind this verdict.

1FDA. 21 CFR Part 131 — Milk and Cream: Standards of Identity. accessdata.fda.gov
2WHO. The effect of consumption of animal milk and other milk types on growth and health outcomes in non-breastfed/mixed-fed infants 6–11 months of age — WHO Systematic Review. cdn.who.int
3FSSAI. FSSAI Chapter 2.1 Dairy Products and Analogues — Food Product Standards (Version 3, 07.05.2025), 2025. fssai.gov.in
4PubMed. Cow's Milk and Dairy Consumption: Is There Now Consensus for Cardiometabolic Health?, 2020. pubmed.ncbi.nlm.nih.gov
5PubMed. Cow's Milk Consumption and Health: A Health Professional's Guide, 2018. pubmed.ncbi.nlm.nih.gov
6PubMed. Milk and dairy products: good or bad for human health? An assessment of the totality of scientific evidence, 2016.

Independently researched6 citations