Thyme is the leaf of a low-growing shrub in the mint family called Thymus vulgaris. Its tiny grayish-green leaves rarely are greater than one-fourth inch long. Luckily, thyme is packed with vitamin C and is also a good source of vitamin A. If you feel a cold coming on, thyme can help get you back in good health. Another health benefit of thyme: It's a good source of copper, fiber, iron, and manganese. Fresh and dried thyme available for worldwide delivery.