Perhaps. Actually she was probably very acidic. Im sure that one of the buffered ascorbates like calcium, magnesium, potassium or sodium would have helped neutralize her acidity. Although I agree that vitamin D3 is essential it also is another acid. Acidity equals hypoxia, hypoxia equals cancer.
Why take the chance ,buffer your ascorbic acids. Buffer all your acids this is why vitamin d in the past was sold with calcium, a great synergistic relationship as they both enhance each other.