Q: Why do I need vitamin D and how do I get it? 
A: Vitamin D helps your body absorb calcium. Calcium is one of the main building blocks of bone. Vitamin D also has a role in your nervous, muscle, and immune systems. 

Q: Who is at risk of vitamin D deficiency? 
A: Some people are at higher risk of vitamin D deficiency:

• Breastfed infants, because human milk is a poor source of vitamin D.*

• Older adults*

• People with dark skin, which has less ability to produce vitamin D from the sun.*

• People with disorders such as Crohn's disease or celiac disease*

• People are obese, because body fat binds to some vitamin D and prevents it from getting into the blood.*

• People who have had gastric bypass surgery and people with osteoporosis, chronic kidney or liver disease, hyperparathyroidism, sarcoidosis, tuberculosis, histoplasmosis, or other granulomatous disease (disease with granulomas, collections of cells caused by chronic inflammation)*

• People with some lymphomas, a type of cancer.*

• People who take medicines that affect vitamin D metabolism, such as cholestyramine (a cholesterol drug), anti-seizure drugs, glucocorticoids, antifungal drugs, and HIV/AIDS medicines.*

Q: What problems does vitamin D deficiency cause? 
A: Vitamin D deficiency can lead to a loss of bone density, which can contribute to osteoporosis and fractures.*

Severe vitamin D deficiency can also lead to other diseases. In children, it can cause rickets , a rare disease that causes the bones to become soft and bend. In adults, severe vitamin D deficiency leads to osteomalacia, which causes weak bones, bone pain, and muscle weakness. *

Q: How can I get more vitamin D?
A: There are a few foods that naturally have some vitamin D:*

• Fatty fish such as salmon, tuna, and mackerel, Beef liver, Cheese, Mushrooms, Egg yolks, Milk, Breakfast cereals, Orange juice, Other dairy products, such as yogurt and Soy drinks. You can also get vitamin D from fortified foods. 

• Multivitamins. There are also vitamin D supplements, both in pills, and liquid for babies.*

Q: Can too much vitamin D be harmful?
A: Getting too much vitamin D (known as vitamin D toxicity) can be harmful. Signs of toxicity include nausea, vomiting, poor appetite, constipation, weakness, and weight loss. Excess vitamin D can also damage the kidneys. Too much vitamin D also raises the level of calcium in your blood. High levels of blood calcium (hypercalcemia) can cause confusion, disorientation, and problems with heart rhythm. *

Q: What is the difference between vitamin D and vitamin D3?
A: There are five forms of Vitamin D - D1, D2, D3, D4 and D5. The most important forms used by the body are D2 and D3. The recommended form of vitamin D is vitamin D3 or cholecalciferol. This is the natural form of vitamin D that your body makes from sunlight.*

Q: Can children and teenagers take Replen-D? 
A: We recommend that you review all nutritional supplements with your paediatrician prior to use.*

Q: : Can pregnant women take Replen-D?
A: We recommend that you review all nutritional supplements with your physician prior to use.*

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. It is recommended that a physician be consulted before taking any supplements. Results not typical and may vary.