Messi Biology states that Magnesium Hydroxide, as a commonly used food additive and pharmaceutical raw material, is approved for legal use in numerous countries and regions. While Magnesium Hydroxide is approved for food and pharmaceutical applications in most countries and regions, specific scopes of application and usage limits may vary by jurisdiction. When using Magnesium Hydroxide, users should consult local regulations and standards to ensure compliance with legal requirements.

1. China
- Food Additives: In China, Magnesium Hydroxide is listed as a food additive used to regulate food acidity, prevent caking, and improve color. The specific scope of use and maximum dosage are stipulated by the National Food Safety Standard for Uses of Food Additives (GB 2760), issued by the National Health Commission (formerly Ministry of Health).
- Pharmaceuticals: Magnesium Hydroxide is widely used in the medical field as an antacid and laxative. Related products must comply with the regulations of the National Medical Products Administration (NMPA).
2. United States
- Food Additives: In the United States, Magnesium Hydroxide is classified as “Generally Recognized as Safe” (GRAS) by the Food and Drug Administration (FDA) and is permitted for use in food. The specific scope of use and limits are stipulated in the FDA’s Code of Federal Regulations (CFR).
- Pharmaceuticals: Magnesium Hydroxide is widely used in medicine as an antacid and laxative. Related products must comply with FDA regulations.
3. European Union
- Food Additives: In the EU, Magnesium Hydroxide is listed as a food additive used for regulating food acidity and preventing caking. The specific scope of use and maximum dosage are regulated by Regulation (EC) No 1333/2008 on food additives, issued by the European Commission.
- Pharmaceuticals: Magnesium Hydroxide is widely used as an antacid and laxative in the pharmaceutical sector. Related products must comply with the regulations of the European Medicines Agency (EMA).

4. Japan
- Food Additives: In Japan, Magnesium Hydroxide is listed as a food additive used to regulate acidity and prevent caking. The specific scope of use and maximum dosage are stipulated in Japan’s Specifications and Standards for Food Additives, issued by the Ministry of Health, Labour and Welfare (MHLW).
- Pharmaceuticals: Magnesium Hydroxide is widely used as an antacid and laxative. Related products must comply with the regulations of the Ministry of Health, Labour and Welfare.
5. Australia and New Zealand
- Food Additives: In Australia and New Zealand, Magnesium Hydroxide is listed as a food additive used to regulate acidity and prevent caking. The specific scope of use and maximum dosage are stipulated in the Australia New Zealand Food Standards Code, issued by Food Standards Australia New Zealand (FSANZ).
- Pharmaceuticals: Magnesium Hydroxide is widely used as an antacid and laxative. Related products must comply with the regulations of the drug regulatory authorities in Australia and New Zealand.
6. Canada
- Food Additives: In Canada, Magnesium Hydroxide is listed as a food additive used to regulate acidity and prevent caking. The specific scope of use and maximum dosage are stipulated in the Food and Drug Regulations, issued by Health Canada.
- Pharmaceuticals: Magnesium Hydroxide is widely used as an antacid and laxative. Related products must comply with Health Canada regulations.
7. India
- Food Additives: In India, Magnesium Hydroxide is listed as a food additive used to regulate acidity and prevent caking. The specific scope of use and maximum dosage are stipulated in the Food Safety and Standards (Food Products Standards and Food Additives) Regulations, issued by the Food Safety and Standards Authority of India (FSSAI).
- Pharmaceuticals: Magnesium Hydroxide is widely used as an antacid and laxative. Related products must comply with the Drugs and Cosmetics Act.
8. Russia
- Food Additives: In Russia, Magnesium Hydroxide is listed as a food additive used to regulate acidity and prevent caking. The specific scope of use and maximum dosage are subject to relevant regulations issued by the Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing (Rospotrebnadzor).
- Pharmaceuticals: Magnesium Hydroxide is widely used as an antacid and laxative. Related products must comply with the regulations of the Ministry of Health of the Russian Federation.
