Derived from milk, whey powder is the dried form of a fast-digesting dairy protein, often used as a supplement to provide a boost of extra protein. Although whey powder can generally be part of a healthful diet for children and adults alike, this food may be unsafe in certain circumstances.
Description
Whey, along with casein, make up the two major proteins found in dairy. To reach powder form, liquid whey is separated from milk curd and then filtered, processed with ion-exchange towers and dried, according to the Whey Protein Institute. Although whey powder typically comes from cow dairy, it can be made from the milk of other mammals as well, such as goats or sheep. Due to its high solubility, whey is one of the highest-quality forms of protein available.
Safety
For most children, moderate amounts of whey powder should pose no health risks when consumed as part of a balanced, diverse diet and whey is frequently used in infant formulas as a protein base. However, children with dairy allergies may have adverse reactions to whey powder and should avoid this food. According to the Nemours Foundation's Teens Health website, whey powder can trigger hives, eczema, facial swelling, stomach cramps, nausea, vomiting, diarrhea, wheezing, itchy or watery eyes, coughing or asthma in children with sensitivities to milk. In addition, excessive amounts of high-protein foods like whey powder may cause dehydration and a loss of urinary calcium, which may compromise bone health and increase the risk of osteoporosis later in life.
Benefits
When used in moderation, whey powder may offer health benefits for both children and adults. According to a paper published in the June 2004 issue of "Alternative Medicine Review," whey has anti-tumor, antiviral, antibacterial and antioxidant properties. As a result, whey may help the body fight off infectious disease as well as chronic conditions like cancer and heart disease. In children, whey powder may serve as an immune-system booster.
Considerations
If you suspect your child might have a dairy allergy, consult a pediatrician or allergist before making whey powder part of your child's diet. Even if your child can healthfully tolerate whey powder, use this food as a supplement rather than making it a major part of your child's diet. To ensure well-rounded nutrition, fill your child's menu with a variety of whole-food protein sources such as lean meats, fish, eggs, legumes or other dairy foods rather than relying on whey powder alone.
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