The loss of ability to absorb vitamin B 12 (B 12) is the most common cause of adult B 12 deficiency. Impaired absorption of vitamin B 12 may be due to a loss of intrinsic factor or to a number of other conditions that decrease production of gastric acid, which also plays a part in the absorption of B 12 from foods.
One of the best natural insect repellent is Lemon Balm. If you insist to go for organic route, Lemon Balm which contains high Citronellal contents is able to repel insects such as mosquitoes, flies, ants and etc. However, Lemon Balm does not deter butterflies or bees.
Mosquito Repellent 2 cups witch hazel 15 drops citronella essential oil 15 drops lemongrass essential oil 5 drops lavender essential oil 5 drops peppermint essential oil Another suggestion: Or an easier way, vanilla extract and water. Use 1 part water and 1 part clear SUGARLESS vanilla extract. spray it on.