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Kebabs can be purchased in Al Kharid for 1 coin each, or at Pollnivneach for 3 coins each.
Kebabs have varied hitpoints healing quantities. The following are possibilities of the kebab will do.
That kebab didn't seem to do a lot. (nothing) (rare, Chance Approximately 8.71%)
It heals some health. (7 hp) (common, Chance Approximately 61.24%)
That was a good kebab. You feel a lot better. (10-20) (uncommon, Chance Approximately 21.12%)
Wow, that was an amazing kebab! You feel really invigorated. (heals you up to 30, raises attack, strength and defence by 1-3) (rare, Chance Approximately 3.65%)