Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 182
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 182, with English translation by Maimonides (Rambam).
שלא לאכול אבר מן החי, שנאמר "לא תאכל הנפש, עם הבשר" (דברים יב,כג).
Not to eat a limb from a living animal, as [Deuteronomy 12:23] states: "Do not eat the life [of an animal] with its flesh."