Background. Vitamin B12 is an essential water-soluble vitamin that is commonly found in a variety of foods, such as fish, shellfish, meat, eggs, and dairy products. Vitamin B12 is frequently used in combination with other B vitamins in a vitamin B complex formulation.
Gas, bloating, intestinal cramps, and diarrhea are common effects of eating garlic, especially if you are sensitive to it. The supposed health benefits of garlic and the common myth that garlic is good for you does not apply if it makes you sick.
For example, if you eat a meal of lasagna, garlic bread, and wine -- the tomato sauce may not be the problem. High fat meals, such as lasagna and buttery garlic bread can slow stomach emptying, keeping food in your stomach longer and making nausea or indigestion more likely.