Your search for "Effervescent tablet" revealed the following:

On Sale from £89.48 Regular price £130.00 Sale
Sale price £79.95 Regular price £90.00 Sale
On Sale from £32.16 Regular price £40.00 Sale
On Sale from £79.70 Regular price £90.00 Sale
On Sale from £57.70 Regular price £70.00 Sale
Sale price £66.99 Regular price £90.00 Sale
On Sale from £52.25 Regular price £70.00 Sale
Sale price £318.39 Regular price £400.00 Sale
Sale price £88.99 Regular price £100.00 Sale
Sale price £35.85 Regular price £50.00 Sale