There are over 300 spices and herbs used in kitchens throughout the world, but here are three that a dietitian says you should always have: 1. Cinnamon Cinnamon, which is a strong antioxidant, has benefits for your blood sugar levels and a taste profile that fits in both sweet and savory dishes. 2. Turmeric Most common in Indian cuisine, turmeric is thought to aid digestion, regulate menstruation, improve arthritis, and relieve gas. 3. Garlic Garlic has been used for its medicinal qualities for thousands of years throughout many cultures. Besides its strong flavor, garlic also contains antioxidants, which aid the body in protecting itself from oxidative damage.