Sunlight in space at the top of Earth's atmosphere (see solar constant) is composed of about 50% infrared light, 40% visible light, and 10% ultraviolet light, for a total intensity of about 1400 W/m 2 in vacuum.
Any sodas which do not contain honey or certain red coloring agents are acceptable vegan drinks. Both cochineal and carmine colorings are both made of ground cochineal beetles. Other drinks may also be excluded, such as beer or wine made using isinglass, a fish-derived precursor to gelatin.
Is There a Downside to Eating a Vegan Diet? There are always questions about calcium and vitamin D intakes and the impact these have upon risk of bone fractures in vegans. Eliminating dairy from the diet does remove a good source of calcium from the diet. Vegans can get their daily needs of calcium from dark green leafy vegetables (such as broccoli, Brussels sprouts, kale, and bok choy), calcium-fortified soy and rice beverages, and cereals, and calcium-fortified orange and apple juices.