I hope you can relax with your diagnosis as hard as it is. All of us with MGUS have the anxiety of waiting for test results, I wonder if it's worth knowing sometimes.
I was diagnosed with MGUS last year while taking tests for neuropathy in my feet. I was also told not to worry as the amount of IGGs was low risk. So in January, I had my 1st comparison tests, including the serum electrophoresis test that first diagnosed me. It showed no monoclonal gammapathy! My Hematologist wants to test me in 6 months instead of 3, but she cautioned me it could show next time and that it was so low it did not register. I'm cautiously optimistic and wonder if anybody reading this has also "improved" results? My kappa/lampda still shows an uneven ratio, but improved since last time. I have done nothing different except stopped eating strawberries and started eating pears, resolved a couple of personal relationship issues, and switched my statin drug to every other day. I often wonder if statin drugs and Moderna vaccine can affect results? My Hematologist says no to both.
I also wanted to say I had to see a Nephrologist too because my kidney function (Egfr) was 55 and I had protein in my urine. This too has resolved itself and all 12 kidney panel tests, came back to normal, I get retested in a year.
I have no idea if this helped, but thought it wouldn't hurt to pass on, that you might see improvement without any intervention. Please share if your MGUS results improved, or if you've had a similar experience and what happened on the next test.
That's great that your tests showed improvement!
All the best.