It's perfectly fine, and there is a Nestle Ease of Use 2-in-1 formula in the Nestle Ease of Use series that is perfect for your dad. This milk powder is added with German imported phytosterol esters, this kind of nutritional element can reduce cholesterol, that is to say, when the bad cholesterol in the blood is too high, there will be high blood fat, and phytosterol esters can squeeze out the bad cholesterol, clean up the blood vessels, so the blood vessels are left with the good cholesterol, which will reduce the risk of cardiovascular and cerebral vascular diseases. In addition, the calcium content of this milk powder is also very high, every 100 grams of milk powder contains 1500 milligrams of calcium, drink two cups a day can meet the human body 75% of the calcium needed to be able to reduce blood lipids and at the same time replenish the body's calcium.