Reb M (Rebaudioside M) is nature's miracle sweetener

Belongs to Steviol glycosides found in stevia leaf (like Reb A, D, etc.)
Sweetness: ~200–350 times sweeter than sucrose (table sugar)
Caloric Value: 0 kcal/g
Source: Found in trace amounts in the stevia leaf; now commonly produced via fermentation or enzymatic bioconversion for commercial viability.

Taste: Clean, sugar-like taste with minimal bitterness or licorice aftertaste, especially compared to other stevia glycosides like Reb A.
Stability: Good thermal and pH stability — suitable for beverages, baked goods, and processed foods.
Labeling: Can be labeled as “stevia ” or “steviol glycoside (Reb M)” depending on origin and country.

GRAS (Generally Recognized As Safe) in the U.S as a sweetener
Approved for use in many countries including Canada, Australia, New Zealand, Brazil, and parts of Asia and awaiting approval in the EU (under EFSA guidelines for steviol glycosides).(Generally Recognized As Safe)
FEMA GRAS