Usage: Use 12 sprays daily (625mcg1250mcg) into each nostril on a clean, dry nose
These cycles require an 8-week washout and benefit from the 5-on/2-off weekly schedule to reduce receptor strain over the extended window
(Source 3) 10
This means that while your body can usually produce enough of it on its own, there are timessuch as during periods of high physical stress, intense exercise, or recoverywhen your bodys demand for it may exceed its ability to produce it
Both are legal to purchase and use for legitimate scientific research purposes in the United States as research-use-only compounds
8 Also in Japan, in 2007, patients with the incurable neurodegenerative disease ALS (Lou Gehrigs disease) received daily injections with 25 mg methylcobalamin for 4 weeks, followed by daily injections of 50 mg intravenously, followed by 50 mg a week