• Calcium - May be animal based. Double check the label to be sure of the origin.

• Wheat - Wheat includes gluten. Check the ingredients if gluten-free is not on the label.
• Gluten - Gluten is a general name for the proteins found in different forms of wheat.
• Bread - Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
• Dough - May contain gluten. Must be verified by checking the label or by contacting the manufacturer.
• Sausage - May contain wheat-based additives.

• Cysteine - An amino acid found in the hair protein keratin.

• Calcium - May be animal based. Double check the label to be sure of the origin.
• Carbamide - Usually plant based. Can be extracted from animal urine and other body fluids.
• Vitamin - Likely animal based but may be plant based. Check the label to verify the source of the ingredient.

• Wheat - Wheat includes gluten. Check the ingredients if gluten-free is not on the label.
• Barley - Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.

• Gluten - Gluten is a general name for the proteins found in different forms of wheat.
• Eggs - May contain gluten if used as an ingredient. Some foods add wheat based batter to eggs.