I dissolve it in my coffee every morning, it’s flavorless. I believe 5 grams is the standard dose, it’s about a teaspoon.

I wouldn’t bother with the “loading phase” you often see recommended online. Just be consistent.

I do this sometimes with 5g creatine monohydrate and I can definitely tell my coffee is more bitter than usual. Not undrinkable but it does spoil the experience of good coffee somewhat.

My favourite mixer is something slightly acidic or sharp tasting, like kefir which also holds the crystals in suspension and somehow is a little less gritty as a result, and masks the bitterness quite well.