Crampease has sodium which if taken in high doses will definitely affect your BP. It's always a good idea to discuss all vitamins, supplements, herbal products that you take with your GP.Don't think it did...
For cramps, a plain magnesium supplement will be far better. It helps for cramps, and has an additional BP lowering effect. Options include slow mag, ultimag, solal magnesium glycinate, and others that you can discuss with the pharmacist. Also depending on your vit D levels, consider a vit d3 supplement (eg d3 5000).
