Reviewer Profile: Sally A Zumwalt, MS
Sally A Zumwalt, MS reviews the MacroCalculator guides. This page says what that review means for you as a reader and what it does not.
Who reviews the guides
Sally A Zumwalt holds an MS degree. This page lists only the credential that is published with her review. It does not claim any license, certification or clinical role that has not been confirmed.
James Smith writes the guides. Sally A Zumwalt, MS reviews each one for accuracy before it goes live. The team page shows both roles side by side.
What the review covers
Each reviewed guide shows her name and a last-reviewed date under the title. The review checks the content of the guide itself:
| Area | What is checked |
|---|---|
| Equations | The BMR, TDEE and macro formulas are written and applied correctly |
| Worked examples | The printed numbers follow from the stated inputs and match the calculator |
| Safety wording | Limits, minimum calorie floors and who the method does not fit |
| Sources | Claims point to the sources listed at the end of the guide |
Guides reviewed
These guides carry her review, last reviewed October 6, 2026:
What the review does not cover
A review of a guide is not medical care. Sally A Zumwalt does not give individual advice to readers, and the guides are not a substitute for a clinician. For medical conditions, pregnancy, an eating disorder or a target below 800 kcal a day, see the medical disclaimer and speak to a qualified professional.
Corrections
If you find an error in a reviewed guide, use the contact page. Corrected guides show a new last-updated date. The standards behind each guide are set out in the editorial policy.