Sufficient protein. But if you eat beans, whole grains, nuts and seeds, you should be okay. Non-vegan vegetarians may eat eggs and dairy products, too, which contain a lot of protein.
None. A well planned vegetarian diet provides all the nutrients the body needs.
Hidden meat
Unlikely Tigers are dedicated carnivores, meat eaters, and really can't get the nutrients they need from vegetable food.
There are plenty of nutrients in a vegetarian diet. Eat vegetarian foods rich in iron, protein, calcium and vitamin B12.
Not usually. Shots are only given to those people who become very deficient in certain nutrients (usually protein, B6, and / or B12).
A vegetarian needs to learn a lot about nutrition and info about alternate sources for nutrients to remain healthy. They also need to learn about details to food preparations so that they understand what is acceptable to eat as a vegetarian and what is not.
Withing the vegetarian diet there are ALL the nutrients you need to keep you healthy. Just make sure to eat balanced. Beans and nuts are a vital source of protein, and certain vegetables are necessary for iron (like spinach.)
While it is possible, it does not happen to much. Vegetarians juse need to make sure that they are still getting plenty of nutrients, proteins, and vitamins in their diet daily. This can easily be accomplished through a vegetarian diet, and there are also many multi-vitamin supplements that can help.
Most people think vegans and vegetarians need to worry about protein. In reality, a healthy vegan/vegetarian who eats plenty of fruits, vegetables legumes (beans, peas, etc.), and whole grains, gets plenty of protein. What we do need to be concerned about is getting enough vitamin B12, iron, and omega 3. To make sure you're getting plenty of these, eat fortified foods (like cereals), take vitamins/supplements (like a decent multivitamin), and be sure to eat foods and oils (like olive oil, canola oil, and especially flaxseeds or flaxseed oil) that are high in essential fatty acids.
You need to ensure you are getting enough nutrition. Also, if you have recently become a vegetarian, your body may have to adjust for a week or so. See the Related link to a website with loads of information about nutrition and other matters related to a vegetarian/vegan diet.
Many foods are nutrient dense. Brightly colored or dark green fruits and beggies tend to contain many nutrients, dark chocolate contains helpful antioxidants, dairy products can contain probiotics and helpful nutrients, and many seeds, nuts, and grains are very healthy. All of these are vegetarian, too.
you need to know how to suck first then worry about that other later
A large concern for vegetarians nutritionally is that they may not be getting enough protein in their diet, or that they will lack certain vitamins like B6 and B12, which are almost exclusively gotten via meat products. Nothing, a well balanced vegetarian diet includes all the nutrients you need.
A vegetarian diet can be okay as long as you make sure your getting all those proteins and other nutrients that you would be getting from meat. Soy can help in many ways along with tofu to help replace your need for meat.