Flax linseed oil, a product used as a nutritional supplement and as an ingredient in many wood-finishing products. Flax is also grown as an ornamental plant in gardens. Moreover, flax fibers are used to make linen. The Latin name of the species, "usitatissimum," means "most useful". Flax fibers taken from the stem of the plant are two to three times as strong as cotton fibers. Additionally, flax fibers are naturally smooth and straight. Europe and North America both depended on flax for plant-based cloth until the 19th century, when cotton overtook flax as the most common plant for making rag-based paper.
Macrobiotic diet bioavailable B analogues have not been established in any natural plant food, including sea vegetables, soya, fermented products, and algae. Although plant-derived foods do not naturally contain B, some are fortified during processing with added B and other nutrients. Vitamin A, as its precursor beta-carotene, is available from plants such as carrots and spinach. Adequate protein is available from grains, nuts, seeds, beans, and bean products. Sources of Omega-3 fatty acids are discussed in the relevant article, and include soy products, walnuts, flax seeds, pumpkin seeds, hemp seeds, and fatty fish. Riboflavin along with most other B vitamins are abundant