Vitamins
How much vitamin D do you need a day?
Your daily goal
15 µg
What it does
Helps absorb calcium for strong bones, supports the immune system and muscle function. Made in skin from sunlight — food sources matter most in winter.
Where you find it
Fatty fish (salmon, mackerel), egg yolks, fortified milk and cereals, sunlight exposure.
The other 17
Healthness counts all 18 for you.
Not just protein, carbs and fat. Micronutrients count from your meals and your supplement stack together, so you can see what your diet is actually missing.
Is Healthness medical advice? No. It is an educational tracking tool. Fasting is not right for everyone — if you are pregnant, diabetic, on medication, or have a history of disordered eating, talk to your doctor before changing how you eat.