A healthy food alternative is not to keep junk food in your house at all. If you don’t have it so, you can’t eat it. Keep good healthy food in your house and make sure that you maintain a good personal hygiene.
Fenugreek? I know it tastes yuck! (at least to me),but it is a very healthy alternative and definitively better than all those junk foods out there. Known for effectively treating acne, acne boils and inflammations it is a prime ingredient in many Ayurveda medicines.