Loadings on my premium for 6 years

I did send this same complaint to my consultant but didn't get feedback. I am very concerned that my premiums, even after 6 years still have the 50% loading for my premiums. I queried this premium loading a few years ago and was told it could not be adjusted. I want to request, in writing, the reason for such a high loading even though I have contacted PPS to state that my insulin has reduced dramatically over the years I've had this policy. Furthermore the 50% seems exorbitant considering that it has reduced and is not near the levels it was when i took this policy and is lower. I did mention that my blood test results could be provided to show such. Please can you send a full response, in writing, to my complaint. I am actually disappointed in PSS thinking that I've been with you guys for so long and have probably wasted my money paying extra so I will be considering cutting down my portfolio and adding extra cover with my other life insurance provider. For the 50% loading i can get more cover with my Bank instead. I listed my condition with my Bank and there were no penalties added to my premium. Only PPS. Awaiting a response.