I have the Divine/Creator/God/Universe's perspective on this ...
You can use whatever word that feels right for you and then insert the substance that you are allergic/intolerant to and start tapping on all the points. We often develop allergies/intolerances when we don't feel safe at a core level, so addressing allergies from a safety perspective is very important. A very good tapping shortcut that Stephen Daniels shared on Gary Craig's DVDs is to tap the karate chop point and under the nose back and forth until the allergy/intolerance subsides.
*If you have a true allergy such as a peanut allergy use this protocol alongside any medical attention not instead of*
Out of this nettle, danger, we pluck this flower, safety ~ William Shakespeare