Related by context. Frequent words. (Click for all words.) 60 vitamin D intake 58 calcium intake 56 nutrient intake 55 vitamin D 52 Vitamin D 52 fluid intake 52 calcium supplementation 52 calcium absorption 51 vitamin D supplementation 51 calorie intake 51 calcium vitamin D 51 folic acid supplementation 50 vitamin B6 50 caloric intake 50 calcium 50 oxygen uptake 50 uric acid levels 50 skin elasticity 49 Aerobic exercise 49 vitamin D. 49 thyroid function 49 UV exposure 49 vitamin D3 49 folate 49 daily calorie intake 49 caffeine intake 49 dietary intake 49 oxygenation 49 dietary calcium 49 vasodilation 48 vitamin D supplements 48 vitamin D supplement 48 brain shrinkage 48 blood glucose levels 48 proper hydration 48 L arginine 48 cardiorespiratory fitness 48 systemic inflammation 48 riboflavin 48 nutritional intake 48 lung function 48 hormone melatonin 47 lipid profiles 47 aerobic exercise 47 vitamin D deficiency 47 thyroid hormone 47 chemical serotonin 47 Supplementation 47 bone density 46 calorie diet 46 mental alertness 46 aerobic activity 46 oxygen 46 insulin secretion 46 UV radiation 46 Vitamin B# 46 Vitamin D. 46 supplementation 46 metabolic 46 cognitive function 46 balanced diet 46 melatonin 46 Vitamin B6 46 carbohydrate intake 46 folic acid 46 coenzyme Q# 46 absorb calcium 45 antioxidant supplements 45 homocysteine levels 45 potassium 45 metabolism 45 circadian rhythms 45 telomerase activity 45 mitochondrial function 45 vegetable intake 45 dietary restriction 45 kidney dysfunction 45 saturated fat intake 45 postmenopausal breast cancer 45 thiamine 45 sunshine vitamin 45 reproductive hormones 45 vitamin C 45 prediabetic 45 adiponectin 45 diet 45 Ghrelin 44 knee osteoarthritis 44 hydration 44 estrogen hormone 44 citrulline 44 stress hormone cortisol 44 hormone leptin 44 thyroxine 44 glucocorticoid 44 glucose uptake 44 Multivitamins 44 arterial stiffness 44 heart disease 44 A1C levels 44 kidney function