Pre Alpin doesn't contain a vit D supplement because it's just dried plants. To my mind the main point of neutrobal is the vit D supplement since there are much better ways of offering calcium than in neutrobal. So I think neutrobal should be used if you think your tort isn't getting enough uv. Otherwise, don't use it.
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Testudo Hermanni Hermanni (Corse) tortoises
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