For mental performance, the following doses have been taken by mouth: 0.05-1 milligram vitamin B12 taken daily for four weeks to 5.4 years; 10 micrograms or 50 micrograms of cyanocobalamin daily for one month; and one milligram of cyanocobalamin weekly for four weeks.ne 1,000 microgram vitamin B12 injection has been used daily for five days, followed by one 1,000 microgram injection monthly for five months. Additionally, 1000 microgram injections have been used weekly for four weeks or monthly for six months.
Kuvan Prices. This Kuvan price guide is based on using the Drugs.com discount card which is accepted at most U.S. pharmacies. The cost for Kuvan oral powder for reconstitution 100 mg is around $1,127 for a supply of 30 powder for reconstitution, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans.
Lisdexamfetamine is only available as Vyvanse, at a cost of $884 for 100 capsules ($8.84 per capsule).15 Don't hold your breath for a generic - one isn't expected until 2023!16.