Honest UK health guides.

23 guides
NHS-aligned
Evidence-based
Free to read

Guides on BMI, calories, macros, protein, BMR and hydration. Written for UK adults.

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01

BMI & weight

What is a healthy BMI for women? UK NHS guide
NHS-aligned BMI ranges, ethnicity adjustments and the limitations every woman should know.
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What's my ideal weight for my height?
Healthy weight ranges in stones and pounds for every UK adult height, men and women.
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How much should I weigh? UK healthy weight guide
Healthy weight ranges by height in stones and kg, NHS BMI context, and waist measurement guidance.
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Is BMI reliable? What it really tells you
What BMI actually measures, where it misleads — muscle, fat distribution, ethnicity — and what to use alongside it.
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Is BMI accurate? NHS guidance explained
The NHS position on BMI accuracy, ethnicity adjustments, and the full picture on what it measures.
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02

Calories & weight loss

How many calories should I eat to lose weight?
The 500–600 kcal deficit explained, with daily targets for UK men and women.
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Calorie deficit explained — how big should yours be?
Why 500 kcal is the sweet spot, what happens if you go too low, and how to find yours.
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How to lose 1 lb a week — the maths
The simple maths and the realistic plan that actually works long-term.
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Why the scales aren't moving — and what to check
Eating in a deficit but stuck? The most common real reasons weight loss stalls and how to fix them.
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How to lose weight without counting calories
Practical approaches that work — protein, satiety, food quality, portion awareness and sustainable habits.
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03

BMR & metabolism

What is BMR and why does it matter?
Plain-English guide to your basal metabolic rate and how to use it for weight planning.
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TDEE vs BMR — which one do I use?
The two acronyms most people get confused — and which to use for weight loss or gain.
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04

Macros & nutrition

How much protein do I need per day? UK guide
BHF and NHS-backed protein targets for general health, weight loss and muscle gain.
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What are macros and should I count them?
Protein, fat and carbs explained — plus when tracking macros is worth the effort.
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How to calculate your macros for weight loss (UK)
A step-by-step macro calculation from your TDEE — protein first, fat floor, carbs fill the rest.
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Best protein sources in the UK: a practical guide
Meat, fish, dairy, plant-based and supplements ranked by protein per 100g and cost per gram.
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Protein powder for weight loss: does it actually help?
What the evidence says, how to use it, what to look for, and whether you actually need it.
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Do I need protein powder? An honest guide
How to tell if you're hitting your protein target through food — and when powder genuinely helps.
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High protein meal ideas UK: easy, affordable, practical
Breakfast, lunch, dinner and snack ideas with protein counts, using everyday UK supermarket ingredients.
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Fibremaxxing: how to hit 30g of fibre without the bloat
The NHS 30g target, why most of us fall short, and how to eat more fibre without wrecking your gut.
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05

Hydration & exercise

How much water should I drink a day?
NHS-recommended fluid intake, signs of dehydration, and whether tea and coffee count.
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How many calories does walking burn?
Realistic calorie figures by weight and pace, how METs work, and the truth about 10,000 steps.
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BMI, calories, macros, calories burned, ideal weight, water, fibre, BMR — all in one place.

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