1)1 ounce (28 grams) serving of garlic contains: manganese: 23% of the rdavitamin b6: 17% of the rdavitamin c: 15% of the rdaselenium: 6% of the rdafiber: 0.6 gram2). Garlic is highly nutritious, but has very few calories3. garlic can combat sickness, including the common cold4) garlic may improve bone health