Processed
Rebaudioside M
S tier
Rebaudioside M (reb M) is a scarce leaf glycoside, now also made by bioconversion, prized for a rounder, more sucrose-like sweetness with far less liquorice than reb A. Premium sodas, dairy, and tabletop blends pay for it. Intensity is still in the hundreds of times sugar; the point is taste, not power. Supply is tighter and cost is higher. A "reb M" claim on a cheap packet may be a dusting on reb A. It still will not caramelise. Use it when the drink is quiet and the aftertaste of reb A would show.
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Characteristics
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Traits
History
High-purity reb M was characterised as a next-generation, more sucrose-like steviol glycoside.
Bioconversion and fermentation routes made reb M a realistic industrial sweetener.
Premium colas and sparkling waters reformulated onto reb M for cleaner sweetness.
Tabletop blends advertised reb M as the stevia that does not taste of stevia.