One of the primary reasons people quit veganism is health concerns. While veganism can be a healthy and sustainable diet when done correctly. Some individuals may experience inadequate nutrition and deficiencies due to a lack of knowledge about plant-based sources of essential nutrients.

You Will Become Protein Deficient Vegan sources of protein — like beans, nuts, seeds, plant-based meat products, tofu, chickpeas, lentils, and a wide variety of legumes — are hard to come by. If you are an athlete, it is also tricky to be a success in your field without eating meat for protein.

Level 5 vegan Level 5 vegans also avoid all animal-derived products such as eggs, dairy products, meats, fish and seafood, and will also avoid any food products where accidental traces of animal products may feature. They will also avoid leather, gelatin, and some food colourings.

Beer and Wine Isinglass, a gelatin-based substance derived from fish, is used as a clarifying agent in some beer and wine. Other non-vegan ingredients sometimes used are casein (from milk) and egg whites.