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.
Onions are a gas-producing vegetable, like broccoli, Brussels sprouts and artichoke. Eating onions causes the formation of gas in your digestive tract, which can make you belch, bloat, feel discomfort in your stomach, and have flatulence. You may take some over-the-counter digestive enzymes to help you better digest onions and prevent the formation of gas and other unpleasant symptoms.