
Vitamin D — a hormone more than a vitamin What it does • Helps absorb calcium • Keeps bones, teeth, muscles strong • Supports immunity and growth When Vitamin D gets low Newborns • Excessive head sweating • Poor feeding, irritability • Low calcium → seizures (severe cases) Infants & children • Delayed sitting / walking • Leg pains, muscle weakness • Frequent infections • Rickets: bowed legs, wrist widening, delayed teething Adolescents • Back and knee pain • Poor stamina, stress fractures • Low immunity Adults • Body aches, back pain • Fatigue, low mood • Muscle weakness • Bone thinning → fractures (long term) Why deficiency is common • Less sun exposure • Exclusive breastfeeding without supplements • Indoor lifestyle • Poor diet Prevention (simple) • Sunlight 20–30 min, 3–4×/week • Supplements: • Infants: 400 IU/day • Children: 600–1000 IU/day • Adults: 800–2000 IU/day Key point: Calcium won’t work without Vitamin D, and deficiency can exist even when calcium levels look normal.
This post was published on 17th December, 2025 by Affan on his Instagram handle "@_momify (Momify - A complete guide from pregnancy to baby care)". Affan has total 27.5K followers on Instagram and has a total of 311 post.This post has received 1.4K Likes which are greater than the average likes that Affan gets. Affan receives an average engagement rate of 2.14% per post on Instagram. This post has received 21 comments which are greater than the average comments that Affan gets. Overall the engagement rate for this post was lower than the average for the profile.