I've never asked my GP about it (I've not even seen my GP since 6 months before I got pregnant!). But I take psyllium husk as a drink periodically when I get constipated and I'm fine. It's usually one of those things that's recommended to pregnant women, along with prunes, as a stool softener. If you have some sort of digestive problem or vitamin deficiency, I might ask about that specifically. But in general, I think it's considered pretty safe if you're healthy and are taking it according to the recommended dose. I certainly don't feel concerned about taking it.
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