Marco (Godolphin Arabian), sire of Grand National winner Sprig, sire-line grandsire of top National Hunt sire My Prince (sire of 3 Grand National winners and Cheltenham specialist Easter Hero), and broodmare sire of leading National Hunt sire Cottage (sire of 3 Grand National winners), the latter also broodmare sire of Holstein founder Cottage Son.
Vitamin B12 Deficiency Symptoms. Fatigue is a major part of B12 deficiency symptoms (that run down feeling). Excessive breathing during normal activity or light exercise (your out of breath)-when you are low on B12 you need more oxygen in your system to run metabolic pathways hence the extra breathing. Heart arrhythmia.
A more severe lack can cause serious problems such as rickets (in children) and osteomalacia (in adults), described below. Treatment is with vitamin D supplements. Some people are more at risk of vitamin D deficiency, and so are recommended to take vitamin D supplements routinely. lack of vitamin D is very common. Vitamin D is mostly made in the skin by exposure to sunlight. Most foods contain very little vitamin D naturally, though some are fortified (enriched) with added vitamin D. A mild lack of vitamin D may not cause symptoms but can cause tiredness and general aches and pains.