Before you can taper, or even measure your own baseline accurately, you need to know the actual strength of what you're using — not a guess. Here's how Zyn's strength labeling works and how to read it correctly.
How the strength system works
Zyn pouches are sold in a small number of strength tiers, most commonly a lower strength (typically 3mg per pouch) and a higher strength (typically 6mg per pouch) across most of the core flavor lineup. Some flavor lines have historically offered other strengths as well. The mg figure printed on the tin is nicotine content per pouch — not necessarily how much reaches your bloodstream, which also depends on how long you keep it in and how you use it.
Why the exact number matters more than it seems
"I use about a can a day" tells you very little on its own — a can of a lower-strength product delivers meaningfully less total nicotine than the same count at a higher strength. If you're planning a taper, or just trying to get an honest baseline before you quit, the strength number is just as important as the count.
If you're stepping down in strength as part of quitting
Moving from a higher strength to a lower one — while keeping your count roughly the same for a week or two before reducing count as well — is a common way to soften the first stage of a taper. It's not the only valid approach, but it's worth knowing it's an option distinct from just using fewer pouches at the same strength.
Figuring out your own baseline
Before setting a quit or taper plan, get specific: how many pouches, at what strength, on a typical day — not a "usually" guess, an actual count from the last day or two. That number is what everything else (your taper schedule, your sense of progress, your estimated nicotine avoided) gets built on. Norvayo uses exactly this — your real strength and count — to calculate your nicotine avoided as you cut down, rather than a generic estimate.