R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Biology Q. Which among the given is a Vitamin (A) Riboflavin (B) Keratin (C) Adrenalin (D) Insulin 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) Riboflavin You must be Logged in to update hint/solution 💬 Discussion 💬 Comment