Bloodlines of US Eventing Hall of Fame Inductees. [Above is one of the greatest eventing horses there ever was--anywhere. Her name is Jenny Camp, an American sport horse, 3/4 TB-1/4 Standardbred.
In the average person, thiamine (vitamin B1) deficiency can lead to a disease called beriberi. This can occur within 7 cans of a thiamin deficient diet.There are 2 main forms of beriberi: wet and dry. Both types cause peripheral neuropathy (numbness and tingling of the hands and feet). deficiency of thiamine (vitamin B1) usually results in fatigue, depression, pins and needles sensations or numbness in the legs, and constipation.
Other serious risk factors that can lead to a lack of vitamin B12 are taking prescription medications like antibiotics, Metformin (a diabetes drug), those who take Nexium (acid reflux medication) and those who have had lap-band surgery (weight loss surgery). The RDA for vitamin B12 is 2.4 mcg/day.