What are the side effects of bovine collagen?

Like any other supplements, you should be cautious before starting a collagen regimen. Although there have been few side effects associated with bovine collagen, the most common is gastrointestinal distress. This includes heartburn, bloating and a feeling of fullness. Introduce bovine collagen slowly into your diet if you have a history of kidney stones. Also, if you have food allergies, ensure that the supplements you purchase don't contain allergens that may affect you.