Guides
Guides
The reasoning behind the tools, written out. Every guide links back to the data it is built on.
What should be on a healthy grocery list?
A healthy grocery list covers eight groups. Here is what belongs in each one, how much to buy per person, roughly what it costs, and where the organic decision actually matters.
Read the guide →How to build a healthy grocery list
A repeatable six-step method for building a weekly grocery list that fits your budget, covers every food group, and puts your organic money where it measurably changes something.
Read the guide →Which foods should you buy organic?
A ranked answer built from measured organic-versus-conventional residue data, weighted by how often you actually eat each food — not a generic "buy organic when you can".
Read the guide →Is organic worth it?
Organic food costs 20–60% more. Here is what that premium buys, food by food, and how to work out whether it is worth it for the specific things you eat.
Read the guide →Pesticide residue vs safety
A detected pesticide residue is not the same as an unsafe food. Here is what detection, tolerance, and benchmark actually mean, and why this site ranks evidence rather than risk.
Read the guide →How to wash fruits and vegetables
Running water beats soap, vinegar, and commercial produce washes. Here is the method by food type — leafy greens, berries, waxed apples, melons — and what washing cannot do.
Read the guide →How to shop healthy on a budget
The specific moves that cut a grocery bill without cutting nutrition: cost per gram of protein, the frozen aisle, crop swaps, and where the organic premium is worth paying.
Read the guide →Organic grocery list
A complete organic grocery list built on measured data: which items to buy organic, which to leave conventional, and how much the whole thing costs per week.
Read the guide →The Dirty Dozen and Clean Fifteen, explained
What the annual Dirty Dozen and Clean Fifteen lists are, how they are built, where our ranking agrees and differs, and what to do with either one at the shelf.
Read the guide →