I found British Supplements probably 4 years ago, as I have Hashimoto (under active thyroid) I need to build up my vitamin levels to optimum to feel well. All I can say I've never had a problem & found members of the team helpful with any queries. I mainly have Vit D with K2👍so good I'm at a good level don't need them every day, others I take triple magnesium great for sleep. I try out others which may or may not suit me & hubby always 3 months worth. I just love the "NO FILLERS" & the push back on big pharma. I keep mine in the fridge all good. What I'd say is try them at least for 3 months(can take longer mind) we are all unique.
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