Signs of Vitamin Deficiencies that your Body shows at the very start | Signs of Vitamin Deficiencies that your Body shows at the very start | By Doctor ASKY | Signs of vitamin deficiencies that your body reveals. Vitamin deficiencies can creep up silently but your body often reveals warning signs that shouldn't be ignored. One of the most common signs of vitamin deficiencies is persistent fatigue. While tiredness is normal after a long day, unexplained or chronic fatigue can indicate a..