Interesting observation from someone with MTHFR gene

I have one of the MTHFR genetic mutations which does not allow me to synthesize or process B vitamins properly. I have been taking unmethylated B-12 as a substitute for methylated B-12, which I can’t find locally.

Usually, I pee the unmethylated right out. It turns my urine a bright neon green/yellow. However, when I take even a small amount of creatine, I have noticed that my urine becomes a more “normal” color and it appears that I’m absorbing more of the B-vitamin. Mind you, this is without a drastic water intake increase as usually associated with creatine.