This Item is 500 grams (1.1 lb) Caffeine pure powder which complies with US Pharmacopeia (USP) quality standard. There is not any additive or filler inside. Assay > 99.5%. There are 2.5~3.5 years shelf life available.
Appearance: White crystalline powder. Taste: Bitter. Solubility: Soluble in water.
Caffeine (sometimes called guaranine when found in guarana, mateine when found in mate, and theine when found in tea) is a xanthine alkaloid found in the leaves and beans of the coffee tree, in tea, yerba mate, guarana berries, and in small quantities in cocoa, the kola nut and the Yaupon holly. Caffeine is a central nervous system stimulant, having the effect of warding off drowsiness and restoring alertness. Itís also a phosphodiesterase inhibitor in body, resulting in cAMP accumulation, and boosting energy level. Beverages containing caffeine, such as coffee, tea, soda and energy drinks are popularly consuming in all over the world.
General Serving Size: 1/20 teaspoon (about 100 milligram) each serving, DO NOT consumption above 200 milligram within 24 hours. An electronic milligram scale is strongly recommended for an accurate dose measurement. Overdose is seriously dangerous. Any individual should consult his/her doctor before taking caffeine containing product.
Storage Conditions: In a tightly sealed container, store in cool and dry place, keeping away from light and heat. Keep out of the reach of children.
Size options: Kinds of packing sizes are available. Please choose to order.