Our wide variety of sand types is available for bulk delivery in NJ and Staten Island (20 ton minimum order required) and includes beach sand, fine sand, utility sand, fill sand, mason sand, white mason sand, septic sand, concrete sand, ASTM C-33 sand and bank run sand.
1 If people still remain too sensitive to the sun using these doses, beta-carotene can be increased by 30-60 mg per day for children under 16 years old, and up to a total of 300 mg per day for people older than age 16. 2  For preventing sunburn in sun-sensitive people: beta-carotene 25 mg orally daily.
Because the body converts all dietary sources of vitamin A into retinol, 1 mcg of physiologically available retinol is equivalent to the following amounts from dietary sources: 1 mcg of retinol, 12 mcg of beta-carotene, and 24 mcg of alpha-carotene or beta-cryptoxanthin. portion of the vitamin A in some supplements is in the form of beta-carotene and the remainder is preformed vitamin A; others contain only preformed vitamin A or only beta-carotene. Supplement labels usually indicate the percentage of each form of the vitamin.