Health8 min read
Net Carbs, Explained: What a Nutrition Label Tells You and What It Doesn't
Net carbs never appear on a US Nutrition Facts label. Here is what the label really declares, how the subtraction works, and why two apps disagree.
33 articles
Health guides
Every article we have published on Health — how these apps work, the decisions behind them, and where their limits are.
Nutrition tracking explained from the label up: what protein, net-carb and sugar figures mean, how to turn a macro target into grams you can log, and why food databases disagree. Alongside them are practical guides to meal planning, pantry lists and batch cooking.
These articles are general information, not medical advice. They cite public-health and government sources, listed at the end of each one.
Covering 3 apps in this category.
Most-referenced guides
The articles in this category that other articles link to most often.
- Health9 min read
How to Track Your Daily Protein Intake (Without Quitting in Week Two)
A practical guide to logging protein on Android: what the official intake references say, why tracking habits collapse, and how to build one that lasts.
- Health8 min read
How to Read a Nutrition Facts Label, Line by Line
What each line of a US Nutrition Facts panel is required to mean, where rounding hides real amounts, and which numbers are conventions rather than advice.
All Health articles
- Health5 min read
Planning One Week of Meals for Different Eaters in the Same House
One plan, several eaters. Build a week around a vegetarian, low-carb or allergy-aware household member without cooking two separate dinners.
- Health6 min read
What an Ingredient Allergy Flag Can and Cannot Tell You
An ingredient-match allergy flag in a recipe app is a text comparison, not a safety check. Here is what it catches, what it misses, and how to use it.
- Health5 min read
Why a Meal Plan Falls Apart by Wednesday
A plan that collapses on day three usually failed when it was written. The five ways weekly meal plans break, and the design changes that hold.
- Health6 min read
Batch Cooking Ideas That Actually Reheat Well
Some dishes reheat well and some fall apart. Which categories batch reliably, how to portion them, and where to stop before food waste starts.
- Health6 min read
What Can I Make With What I Have? Cooking From the Cupboard
Matching recipes against an ingredient list you already own, deciding what counts as a substitute, and knowing when a missing item actually matters.
- Health5 min read
How to Meal Plan for the Week Without Overcomplicating It
A workable weekly plan starts from what you already have and how many nights you will actually cook. A method that survives a bad Wednesday.
- Health6 min read
Pantry Inventory and Grocery Lists That Stay Accurate
An inventory only helps if updating it is nearly free. What to track, what to deliberately ignore, and how the list should build itself.
- Health6 min read
Recipe Nutrition Figures and Why Two Apps Disagree
Recipe nutrition depends on ingredient entries, yield assumptions and cooking losses. Why two calculators disagree and which figure to trust.
- Health6 min read
Recipe Scaling: Why Doubling a Recipe Is Not Just Doubling
Ingredients scale linearly, cooking times and seasoning do not. What changes when you scale a recipe up, and how the nutrition figures move with it.
- Health6 min read
Keeping a Food Allergy and Reaction Log That Is Actually Useful
A reaction log is only useful if it records time, quantity and context. What to capture, and the hard limit on what a log can tell you.
- Health4 min read
Added Sugars and Total Sugars: What the Label Distinguishes
Why the Nutrition Facts label separates added from total sugars, what counts as added, and how the distinction interacts with low-carb tracking.
- Health3 min read
Complete and Incomplete Proteins, Explained
What makes a protein 'complete', why the combining rule was relaxed, and what the distinction means for someone tracking protein rather than studying nutrition.
- Health3 min read
Electrolytes on a Low-Carb Diet
Why fluid and sodium shift when carbohydrate intake drops, what electrolytes do, and why this is a topic for a clinician rather than self-management.
- Health4 min read
Glycemic Index and Glycemic Load, Explained
What GI measures, why glycemic load was introduced to fix its biggest flaw, and the practical limits that make both figures weaker than they look.
- Health4 min read
How to Actually Hit a Protein Goal
Why most people miss a protein target, where the grams actually come from, and practical adjustments for budget, vegetarian and low-appetite constraints.
- Health4 min read
"Keto Flu": What People Mean and What Is Actually Known
The symptom cluster reported when starting a low-carb diet, the explanations usually offered, and which symptoms should send you to a doctor.
- Health7 min read
Keto Macros Explained: Turning Percentages Into Grams You Can Actually Log
Keto macro ratios are a convention, not a regulated standard. Here is the arithmetic that converts them to grams, and where the conversion misleads people.
- Health10 min read
Low-Carb Tracking Apps Compared: The Subtraction, the Extras and the Subscription
Four low-carb trackers compared on net carb conventions, ketone and fasting logs, and where each one puts its paywall. Checked September and October 2026.
- Health3 min read
Plant Protein and Animal Protein Compared
How plant and animal protein differ in amino acid profile, density and what comes packaged with them — and what that means when you are tracking.
- Health4 min read
Protein and Older Adults: What the Position Papers Say
Why some expert groups recommend higher protein intakes for older people, what the reference intakes actually cover, and where the evidence is still contested.
- Health4 min read
Protein Per Meal: What the Research Actually Supports
Whether the body can only use a fixed amount of protein per meal, what the published reviews say, and why total daily intake is the number that matters most.
- Health7 min read
Protein Sources Compared: Reading a High Protein Foods List Properly
A high protein foods list answers three different questions at once. Here is how per-serving, per-calorie and protein-quality figures actually differ.
- Health9 min read
Protein Tracking Apps Compared: Database Depth, Paywalls and What You Keep
Three protein trackers compared on what actually differs: database depth, where the paid line sits, and how many taps a repeat meal really costs.
- Health8 min read
How to Read a Nutrition Facts Label, Line by Line
What each line of a US Nutrition Facts panel is required to mean, where rounding hides real amounts, and which numbers are conventions rather than advice.
- Health4 min read
Serving Size and Portion Size Are Not the Same Thing
What a label's serving size represents, why it is not a recommendation, and how the gap between it and your portion distorts a day's tracking.
- Health4 min read
Sugar Alcohols Explained
What polyols are, how they appear on a label, why they differ from each other in tolerance and effect, and how low-carb net carb arithmetic treats them.
- Health4 min read
TDEE and Energy Balance, Explained Honestly
What total daily energy expenditure is made of, how accurate prediction equations really are, and why a calculator output is an estimate to test.
- Health8 min read
What Is a Ketone Reading? What the Number Represents, and What It Cannot Tell You
What ketones are, what blood, urine and breath tests each measure, and why published sources are explicit that a reading is not a self-diagnostic tool.
- Health4 min read
Why Food Databases Disagree With Each Other
Label tolerances, crowd-sourced entries, natural variation and preparation differences — why the same food shows different numbers in different apps.
- Health8 min read
How Much Protein Per Day? What the Published Reference Numbers Actually Answer
The RDA, the AMDR, the label Daily Value and the athlete range answer four different questions about protein. Here is what each one was built for.
- Health10 min read
Intermittent Fasting Windows Explained: The Patterns, the Naming, and What the Evidence Supports
What the four fasting patterns in the literature actually are, where names like 16:8 come from, and why the NIA says evidence is insufficient to recommend one.
- Health9 min read
How to Track Your Daily Protein Intake (Without Quitting in Week Two)
A practical guide to logging protein on Android: what the official intake references say, why tracking habits collapse, and how to build one that lasts.
- Health8 min read
Net Carbs, Explained: What a Nutrition Label Tells You and What It Doesn't
Net carbs never appear on a US Nutrition Facts label. Here is what the label really declares, how the subtraction works, and why two apps disagree.