FuelForm Library

Calorie tracker comparisons and food-logging guides.

Explore 35 articles on nutrition, habits, and the research behind them, from FuelForm's in-app library and website.

Nutrition10
Habits6
Science9
Recipes2
Fitness2
Mindset1
App comparisons5

Try a tool

Choose a calculation

Each tool explains its inputs, arithmetic and limits.

Maintenance and intake calculator: Estimate adult maintenance energy, or compare an intake you enter. See the equations, activity assumptions and limits. No prescribed calorie target.
Macro calculator: Convert your calorie amount and chosen macro percentages into grams, or grams into energy. General 4/4/9 arithmetic with no suggested intake or diet split.
Resting-energy calculator: Estimate adult resting energy with simplified Mifflin–St Jeor. See maths and limits. No measured BMR, daily maintenance or intake target is claimed.

Choose your guide

Choose a comparison by what you need

Start with the part of your food diary that matters most. These guides compare documented features, plan limits and the checks to make before switching.

Published by FuelForm using official product information and dated US App Store previews. We have not tested the competitor apps or measured nutrition accuracy. Guides are listed alphabetically.

Editorial illustration for FuelForm vs Cal AI, with a chicken, quinoa and vegetable bowl in a green photo frame

FuelForm vs Cal AI: Features and Tradeoffs

Start here for: Meal photos and subscription access.

Check before switching: Photo corrections, device compatibility and subscription portability.

Sources reviewed 23 October 2026 Read the comparison

Editorial illustration for FuelForm vs Cronometer, with salmon, quinoa, leafy greens, tomatoes and avocado

FuelForm vs Cronometer: Which Fits Your Log?

Start here for: Vitamins and minerals.

Check before switching: Nutrient detail, missing food data and free versus Gold features.

Sources reviewed 23 October 2026 Read the comparison

Editorial illustration for FuelForm vs Lose It, with a chicken salad bowl, a paper food journal and a pencil

FuelForm vs Lose It: Features and Tradeoffs

Start here for: Goals and fitness connections.

Check before switching: Nutrient goals, connected services and Premium logging methods.

Sources reviewed 23 October 2026 Read the comparison

Editorial illustration for FuelForm vs MyFitnessPal, with a salmon, rice and vegetable bowl in a green circular frame

FuelForm vs MyFitnessPal: Calorie Tracking

Start here for: An existing MyFitnessPal diary.

Check before switching: Daily logging, paid shortcuts and keeping a readable copy of your history.

Sources reviewed 23 October 2026 Read the comparison

Editorial illustration of tofu, lentils, grains and green vegetables for an article about protein and fibre on GLP-1 medication

Nutrition 4 min read Protein and Fibre During GLP-1 Treatment: Intake and Tracking Understand protein guidance during GLP-1 treatment, why targets need individual review, and how to record food, fibre and fluids when appetite is low.

Editorial illustration of fish, lentils, green beans and a paper food journal for protein-first food tracking

Habits 4 min read Set Up FuelForm for GLP-1 Food Tracking Choose Home nutrients, review agreed targets and record portions in FuelForm during GLP-1 treatment, while keeping calories and nutrition context in view.

Editorial illustration of sugar, an apple, berries and a magnifying glass for an article about tracking sugar intake

Habits 3 min read Tracking Sugar on GLP-1: Total, Added and Free Understand total, added and free sugars during GLP-1 treatment, check labels and portions, and interpret FuelForm's sugar record without assuming a target.

Editorial illustration of a fish and vegetable meal beside a notebook, for food tracking after GLP-1 medication

Science 4 min read What Happens When You Stop a GLP-1: Trials and Follow-Up Weight regain is common after GLP-1 treatment stops. See what withdrawal trials show, what is uncertain, and how tracking can support a clinician-led plan.

Editorial illustration of abstract glass molecular forms, a magnifying glass and a research notebook for an article about peptides

Science 5 min read Peptides: Approved Medicines vs. Unapproved Products Some peptide medicines are approved for specific conditions. Online 'research peptides' are different and can carry serious quality and safety risks.

Library

All articles

Editorial illustration of an unbranded phone, blank notebook and five colored comparison cards on a desk.

App comparisons 4 min read AI Calorie Trackers Compared: Pricing and Logging Compare five AI calorie trackers by free and paid logging, correction controls and published US prices, with sources and a practical test checklist.

Editorial illustration of a blank ruled food journal, pencil, water glass and apple slices on a kitchen table

Habits 3 min read Food Diary: Template and Filled Example Keep a daily food diary with five consistent fields, a filled example, an editable seven-day CSV and a printable worksheet. Mark estimates and missing details.

Cream and green editorial illustration with eggs, tofu, whole-grain toast, rice, avocado and walnuts beside the words Track your macros

Nutrition 8 min read Macro Tracker App: Track Protein, Carbs and Fat Use FuelForm's macro tracker app on iPhone to log meals, check protein, carbs and fat, review goals, and read your daily Eaten and Left totals.

AI editorial illustration of a person describing lunch into an unbranded phone at a kitchen table

Habits 5 min read Voice Calorie Tracker: How to Log Food by Speaking Use a voice calorie tracker to describe meals, check portions and labels, and review estimates before saving your food diary in FuelForm.

Editorial illustration of a chicken, rice and vegetable meal beside an open food diary and pencil

Habits 11 min read How to Log Food Correctly Describe the food, known portions and preparation, then review the estimate against the information you have. A practical guide for photo, voice, and text logging.

Editorial illustration of sugar cubes, strawberries and plain yogurt for an article about added sugar

Nutrition 5 min read Added Sugar: Labels, Limits, and Context Learn the difference between total, added, and free sugars and how to use label and population guidance.

Editorial illustration of whole-grain bread, oats, brown rice and sweet potato as carbohydrate food sources

Nutrition 6 min read Carbohydrates: Quality, Quantity, and Context Carbohydrate needs vary. Learn how whole grains, fruit, vegetables, and pulses can fit into a balanced eating pattern.

Editorial illustration of plain white powder, a scoop, a water glass and a gym towel for an article about creatine

Science 5 min read Creatine: Benefits, Limits, and Safety Creatine monohydrate has evidence for some high-intensity exercise uses, but it is not risk-free or necessary for everyone.

Editorial illustration of olive oil, avocado, walnuts, olives, salmon and butter as different dietary fat sources

Nutrition 5 min read Dietary Fat: Types, Sources, and Reference Ranges Dietary fat has essential roles, and fat quality matters. Learn the difference between unsaturated, saturated, and trans fats.

Editorial illustration of a chicken and rice bowl, a banana, a water glass and a gym towel for eating around workouts

Fitness 5 min read Eating Around Workouts: A Practical Guide Food timing depends on the session and nearby meals. Learn what evidence supports without treating recovery as a rigid window.

Editorial illustration of chickpeas, oats, a sliced pear and leafy greens as fibre-rich food sources

Nutrition 5 min read Fibre: Daily Guidance and Food Sources Fibre-rich foods support digestive health and a balanced diet. Learn practical ways to increase intake gradually.

Editorial illustration of an unbranded supplement bottle, white capsules and a magnifying glass for examining GABA evidence

Science 5 min read GABA Supplements: What the Evidence Can—and Can't—Show GABA is an inhibitory neurotransmitter, but evidence for oral GABA supplements and sleep or stress remains limited and mixed.

Editorial illustration of yogurt, banana and pumpkin seeds beside a moon-shaped ceramic object for glycine and sleep research

Science 5 min read Glycine: Food Sources and Early Sleep Research Glycine is an amino acid used throughout the body. Small studies have explored sleep effects, but broad supplement claims are not established.

Editorial illustration of green tea, tea leaves and a bamboo whisk for an article about L-theanine

Science 5 min read L-Theanine: What We Know About Focus and Sleep Small trials have studied L-theanine for stress, attention, and sleep. The findings are preliminary and do not establish a treatment.

Editorial illustration of eggs, tofu, plain yogurt and lentils as everyday protein food sources

Nutrition 6 min read Protein: What It Does and How Much You Need Protein supports many body tissues and functions, but it is one part of a balanced diet. Learn how reference needs and food choices vary.

Editorial illustration of salt, a tomato and an unbranded food jar with a blank label for sodium and label reading

Nutrition 5 min read Sodium: Daily Guidance and Label Reading Sodium is essential, but excess intake can raise blood pressure. Learn population guidance and when individual needs may differ.

Editorial illustration of an egg, mushrooms and a glass of milk for an article about vitamin D

Science 6 min read Vitamin D: Needs, Testing, and Supplement Safety Vitamin D supports bone health, but healthy adults do not all need testing or high-dose supplements. Learn current reference guidance.

Editorial illustration of walking shoes beside a sunlit park path for an article about walking for health

Fitness 6 min read Walking for Health: Evidence-Based Targets Brisk walking can help adults meet physical-activity guidance. Learn what official targets say—and what step-count studies cannot prove.

Editorial illustration of yogurt with berries and oats, boiled eggs and whole-grain toast as breakfast ideas

Recipes 5 min read 5 Quick Breakfasts With Protein Foods Five flexible meal ideas, plus a reminder to calculate nutrition from the ingredients and portions you actually use.

Editorial illustration of unbranded food packaging, abstract labels and a magnifying glass for nutrition label reading

Nutrition 5 min read How to Read Nutrition Facts Labels Use serving size, percent Daily Value, added sugars, and ingredients to compare packaged foods in context.

Editorial illustration of a picnic basket, a sandwich, fruit and a notebook for flexible weekend food habits

Habits 5 min read How to Stay Consistent on Weekends Weekends don't have to derail your progress. Discover practical strategies to enjoy your social life while staying on track.

Editorial illustration of a water carafe and tumbler beside cucumber and lime slices for an article about hydration

Science 5 min read Hydration: Reference Intakes and Individual Needs Total-water reference values include food and beverages, while actual needs vary with health, activity, and environment.

Editorial illustration of glass containers with cooked meals for an article about meal planning and food safety

Recipes 7 min read Meal Prep 101: Planning and Food Safety A flexible batch-cooking workflow with authoritative guidance on temperature, cooling, storage, and reheating.

Editorial illustration of cottage cheese, an egg and berries beside an unnumbered clock for an article about protein timing

Science 5 min read Protein Timing: What Matters Most Total daily intake usually matters more than a narrow workout window. Learn where meal distribution can fit.

Editorial illustration of a linen pillow, a sleeping mask and a bedside lamp for an article about sleep and weight

Mindset 6 min read Sleep and Weight: What the Evidence Shows Sleep and weight are related, but one does not determine the other. Learn the evidence-based sleep target and practical habits that can help.

Editorial illustration of chicken, brown rice, vegetables, avocado, olive oil and bread for understanding macronutrients

Nutrition 6 min read Understanding Macros: A Beginner's Guide Learn what carbohydrate, protein, and fat do, how energy math works, and why reference ranges are not personal prescriptions.

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