That is the brand i have used, easy enough to get in health shops in Ireland anyway. Had a quick look online you can get it handy enough think the spray is best. I am using the vitamin D one at the minute because sunshine can be lacking in Ireland haha.
https://www.evergreen.ie/vitamins-supplements/vitamins/vitamin-b12-cobalamin/better-you-b12-boost-pure-energy-oral-spray
That is the brand i have used, easy enough to get in health shops in Ireland anyway. Had a quick look online you can get it handy enough think the spray is best. I am using the vitamin D one at the minute because sunshine can be lacking in Ireland haha.