Health & Wellness Facts

With Dr. Randall Johnson


At Do Only Good, we understand the power of science-backed nutrition. This is why we have partnered with Dr. Randall Johnson, one of the foremost pet nutritionists in the industry, to provide you – the pet parent – with the latest scientific information regarding pet nutrition.

Dr. Johnson has over 36 years of business and academic experience in animal nutrition.  He is a registered professional animal scientist, a diplomat in the American College of Animal Nutrition, a professional member of the Institute of Food Technology, the American Society of Animal Science, and the American Association of Veterinary Nutrition. He has trained over 200 nutritionists and their staffs in over 26 countries on how to formulate pet diets.

With his extensive knowledge of pet food nutrition and formulation, Dr. Johnson’s articles will keep you well-informed and aid you in choosing the optimal diet for your pets.

If you have further questions after reading the articles, please click the “Ask Dr. Johnson” button and he will be happy to help you.

Ask Dr. Johnson

randall johnson phd

Featured Articles in: Proteins

nutrition carrageenan dogs


Carrageenan is a seaweed-derived food ingredient that is commonly used the world over. Carrageenan is extracted from red seaweed and is a hydrocolloid. Long extolled for its thickening properties; it has a wide range of applications and is used in a variety of foods. Carrageenan is obtained from a type of red seaweed. This seaweed Read More »

nutrition pea protein dogs


Pea protein is almost a near perfect protein of essential amino acids, plus pea protein provides additional vitamins, minerals and fiber that a pet needs in its daily diet. However, peas are lower in a few important amino acids; methionine, tryptophan, and valine. This means that other sources of these amino acids must be supplemented Read More »

nutrition health benefits salt dogs


Salt is made up of Sodium and Chloride, both of which are essential nutrients for the dog and cat and need to be in their daily diet. Sodium is involved in the regulation of body fluids and the osmotic balance of these fluids. Salt is valuable as it can effect taste and help with water Read More »


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