Dietly Learn

Nutrition answers without the noise.

Evidence-led explainers for common nutrition claims. Each guide starts with the direct answer, shows the nuance, links its sources and uses real food-label examples from Dietly.

Start here

Nutrition myths that refuse to die

Carbs, detoxes, fat, eggs and other claims worth checking.

Meal timing

Does eating late cause weight gain?

Why the clock is less important than the routine around it.

Meal timing

Do you need to eat every three hours?

How meal frequency affects routine, not metabolism magic.

Cravings

Is sugar addictive?

A non-shaming guide to cravings and food addiction claims.

Food myths

Are eggs bad for you?

Dietary cholesterol in the context of the whole diet.

Drinks

Is diet soda worse than regular soda?

What changes when sugar is replaced by sweeteners.

Food myths

Do detoxes work?

What cleanses actually change, and what the body already does.

Ingredients

Is MSG harmful?

The evidence behind a much-misunderstood flavour enhancer.

Dietary fat

Are seed oils toxic?

A calm review of omega-6, processing and replacement studies.

Shopping

Is organic more nutritious?

Nutrition, pesticide exposure and environment kept separate.

Supplements

Do you need supplements?

When food is enough and when a targeted supplement may help.

Fundamentals

What are macronutrients?

Protein, carbohydrate and fat, explained through real food labels.

Fundamentals

What are micronutrients?

Vitamins and minerals, with practical food-first label examples.

Fundamentals

Complete vs incomplete proteins

A practical guide to amino acids, varied meals and protein pairings.

Fundamentals

What is TDEE?

The four parts of your daily calorie burn, and why NEAT varies most.

Fundamentals

Can you boost your metabolism?

What actually raises daily burn, and what is just marketing.

Food myths

Is fruit too high in sugar?

Why whole fruit behaves nothing like juice or soda.

Food myths

Is a calorie really a calorie?

Where the slogan holds up, and the three ways it breaks down.

Fundamentals

What are carbohydrates?

Sugars, starches and fiber, and why carbs are not one villain.

Fundamentals

What is fiber?

The two types, the 30g target, and how to close the gap.

Fundamentals

What are dietary fats?

Saturated, unsaturated and trans, and how to read the label.

Food myths

Added sugar vs natural sugar

Same molecule, different package: dose, fiber and satiety.

Fundamentals

What is BMR?

Your resting burn, and which formula actually predicts it.

Label literacy

What are net carbs?

The formula, the EU vs US twist, and the sugar-alcohol catch.

Label literacy

Sodium vs salt

The 2.5 conversion and where sodium really hides.

Meal timing

Are carbs at night bad?

Why timing is neutral once your daily calories match.

Fundamentals

Energy density

Why 500 kcal of grapes and 500 kcal of chips feel nothing alike.

Fundamentals

What is satiety?

The four levers that decide how long a meal keeps you full.

Label literacy

Portion vs serving size

The label trick that shrinks calories, and the per-100g fix.

Fundamentals

Glycemic index and load

The watermelon paradox, and who should actually care.

Label literacy

Sugar alcohols

Why sugar-free still has calories, and the 20 g comfort limit.

Fundamentals

Cholesterol in food vs blood

Why eggs and shrimp got a pardon, and what really moves LDL.

Fundamentals

Kilojoules vs kilocalories

1 kcal = 4.184 kJ, with a real-food conversion table.

Fundamentals

Caffeine: limits and half-life

The 400 mg guideline and where caffeine hides beyond coffee.

Myth check

Protein timing

Why total daily protein beats the 30 minute anabolic window.

Myth check

Breakfast science

What trials say about the most important meal claim.

Micronutrients

Iron: heme vs non-heme

Why label iron and absorbed iron are two different numbers.

Micronutrients

Vitamin D

Food, sun and the winter supplement, honestly explained.

Micronutrients

Vitamin B12

The one supplement most vegans genuinely need, and why.

Micronutrients

Calcium beyond dairy

How non-milk-drinkers hit the target without guessing.

Micronutrients

Omega-3s

Why plant ALA is not a substitute for fish EPA and DHA.

Micronutrients

Electrolytes

Sodium, potassium and magnesium in food, not sachets.

Fundamentals

How much water do you need?

The two-litre rule, and where it came from.

Myth check

Gut health and fermented foods

Fibre, fermented foods and probiotics, ranked by evidence.

Myth check

Antioxidants

What the marketing says versus what the trials found.

Myth check

Artificial sweeteners

Safety limits translated into cans per day.

Label literacy

The nutrition label, annotated

Every line explained on one real cereal label.

Label literacy

Serving-size games

Why an 18 g bar and a 21 g slice flatter the front of pack.

Label literacy

What label claims legally mean

High protein, low fat and light, with their EU thresholds.

Label literacy

How Nutri-Score is calculated

The A to E algorithm, real products, and its blind spots.

Transparency

Where nutrition data comes from

Labels, USDA FoodData Central and community transcription.

Transparency

Why two apps show different calories

Six reasons the numbers differ, and what to do about it.

Label literacy

How food barcodes work

EAN-13, check digits, and what a scan does not contain.

Label literacy

EU vs US nutrition labels

Per 100 g, fibre in carbs, and salt against sodium.

Label literacy

A short history of the label

Compulsory nutrition panels are only about 30 years old.

Big questions

Can you be overweight and healthy?

Fitness, metabolic markers and what the stigma research shows.