Pet nutritional supplements are products that provide nutritional supplements for pets, designed to meet the nutritional needs that pets may lack in their daily diet. These products usually include vitamins, minerals, amino acids, fatty acids and other ingredients, which can help pets maintain healthy physiological functions, promote the health of the immune system, improve the quality of fur, support joint health, etc. Pet nutritional supplements usually appear in the form of oral dosage forms, such as tablets, powders, granules, liquids or soft capsules.