Biotin and which vitamin are listed as needed for claw growth?

• A. Biotin and Vitamin E
• B. Biotin and Vitamin C
• C. Vitamin E and Vitamin A
• D. Vitamin D and Vitamin E

Answer: (A)

Biotin is essential for keratin production, which forms the claw horn and gives it strength. Vitamin E supports growing tissue by protecting cells from oxidative damage and helping maintain healthy skin around the claw. Together, they address both the building blocks for the claw material and the protective environment needed for healthy growth. The other vitamins have roles that are less directly tied to keratin-based claw growth (for example, Vitamin C influences collagen, Vitamin A supports epithelial health, and Vitamin D relates to bone metabolism), so Biotin with Vitamin E is the best pairing for claw growth.