What are the worst ketogenic ingredients or which are considered dirty keto?

Corn (95% of all corn is GMO, highly glycemic)

Yogurt (high in sugar)

Commercial chicken (fed grains)

Processed meats (sugar added)

Processed or non-grass-fed non-organic cheese

Spinach (oxalates can cause potentially kidney stones)

Nuts (some nuts have oxalates and it’s easy to overdo nuts as well)

Almonds (oxalates can potentially cause kidney stones)

Vegetable oil (GMO)

Soy (GMO)