The dorsal (upper) surface of the bullfrog has an olive-green basal color, either plain or with a mottling and banding of grayish-brown. The ventral (under) surface is off-white blotched with yellow or gray. There is often a marked contrast in color between the green upper lip and the pale lower lip.
You can get the most Vitamin C from citrus fruits, red and green peppers, cauliflower and tomato. Vitamins B2, B5 and B12 are all essential for healthy skin and promoting skin cell growth. Another B Vitamin which is vital for hair and nail health is biotin.
They also contain B vitamins, which include biotin, an essential nutrient for strengthening hair, helping prevent thin and brittle hair, and increasing hair growth.. Your nails indicate how mineralized your body is, says Snyder.Weak or ridged nails indicate mineral deficiencies. B-complex Vitamins: Biotin, niacin and cobalamin are among the most popular B-complex vitamins that help restore shine and thickness to strands. 2  Load up on whole grains, eggs, avocados and legumes, as they are some of the best food sources for B-complex vitamins.