Short answer: yes, it will be outside of the bounds.
If a recipe calls for something besides barley, hops, water or yeast, it is not Reinheitsgebot compliant. That does not in itself make it a bad recipe, just not one that follows the purity law.
Planning: New brewery at new house!!
Primary: Barley Wine
Secondary: Red Ale, Pale Ale
Drinking: Brown Ale, 75 min. IPA, Oatmeal Stout, Poor Richard's Ale, Chocolate Cherry Stout