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.
1 Lemongrass is 1 of the main ingredients in citronella candles, that are burned to repel mosquitoes. 2  Include marigolds in your flower garden selection. 3  This flower is often used to create natural mosquito and insect repellent. 4  Keep scented geraniums, or pelargonium citrosum vanieenii, on window sills. Keep scented geraniums, or pelargonium citrosum vanieenii, on window sills. 2  These flowers can help keep mosquitoes away from the house. 3  Plant garlic and rosemary in your garden. 4  They can be used for cooking, while the outdoor plant will help to deter insects.