Creatine is not available from plants and the 0.5 g is not insignficant for normal health. The 5 grams you're quoting is generally for people who supplement for athletic performance.
Creatine is created within the body so a vegetarian eating plant precursors can help create their own baseline supply.
Creatine is created within the body so a vegetarian eating plant precursors can help create their own baseline supply.