Nasal spray considerations: Typically lower bioavailability than injection, requiring somewhat higher doses Faster onset in some users due to direct CNS access More convenient and less intimidating for needle-averse individuals Requires properly calibrated spray bottles for accurate dosing Converting from injectable to nasal dosing is not straightforward
A small 2022 study, which was funded by Myrkls parent company DeFaire Medical AB, found that after 24 people took the supplements twice a day for a week, less alcohol was absorbed into their bodies after drinking, leading to a 70% reduction in blood alcohol levels when they did have a drink
Caution is advised in patients with Leber optic atrophy, a genetic disorder caused by chronic cyanide intoxication (such as from smoking, alcohol or some plants), against the use of cyano-B12 due to its cyanide moiety, whilst hydroxo-B12 is a cyanide antagonist and can therefore be used in these patients
Cells were treated in triplicate with a serial dilution of IGF-1 LR3 for 4 hours