Vitamin preparations are necessary. —
As I wrote before, nowadays we are overwhelmed with preparations and vitamins. Is that good, not good, or less good? My opinion: Many of the resources we can buy today are fine and a real improvement — and I recommend them. I understand that people sometimes no longer know what and how much to give. My advice: never change a winning team. If things go well, keep it that way. If things go wrong or less well, reach for the remedy that can solve the problem and determine the result yourself.

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