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Everyday essentials around training
The short answer
If you train, the everyday basics that matter go in this order: eat enough to fuel your sessions, get protein across the day, and drink to thirst around exercise. On the supplement side, two are worth checking in the UK, vitamin D through the autumn and winter, and iron if you are a woman who trains, which is best confirmed with a blood test. Get those right before you think about anything else.
- Fuel first. Eat enough to cover what you are burning.
- Spread protein across the day to support the tissue training rebuilds.
- Drink to thirst around sessions, more in the heat.
- Vitamin D in winter, and iron only if a test shows you are low.
Fuel and protein come first
The most common mistake active people make is under-eating for the training they do. Eat enough of a varied diet to cover the extra energy you burn, and get protein spread across your meals rather than all at once, because that is what supports the tissue your training breaks down and rebuilds. Getting protein from food or a shake is a matter of convenience, and most people can meet their needs from food with a little planning.
Hydration
Hydration is simple and easy to neglect. Drink to thirst across the day, take some on board around longer or harder sessions, and account for heat and sweat, when you will lose more. There is no need to overthink electrolyte products for ordinary training, though they have their place in long efforts or hot conditions. Magnesium contributes to electrolyte balance as one of its authorised roles, which is covered in our magnesium guide, but water and a normal diet do most of the work.
The two supplements worth checking
Once food and hydration are sorted, two supplements are worth attention for active adults in the UK.
- Vitamin D. Between about October and March, UK sunlight is too weak for your skin to make it, so the NHS suggests considering 10 micrograms a day through those months, active or not. Vitamin D contributes to normal muscle function. Our vitamin D guide covers the dose.
- Iron. Women who train, and anyone eating little red meat, are more likely to run low, and iron contributes to normal oxygen transport and to a reduction of tiredness and fatigue. The sensible order is to test before supplementing, because iron is one you can overdo. Our iron guide explains the gentle form and how to take it.
Building a simple daily base
A sensible daily base for an active adult is short: eat well, hydrate, take vitamin D in winter, and check your iron if you are a woman who trains. Our active routine keeps it to that sensible core. Add anything else only when you have a specific reason, and see our recovery basics and magnesium guides for the detail.
FAQ
Questions people ask
What should active people take every day?
Food and hydration first, then vitamin D through winter, and iron only if a test shows you are low. That covers most people.
Do I need protein powder if I train?
Not necessarily. Protein powder is a convenient way to hit your protein target, but most people can reach it from food with a little planning.
How much water should I drink around training?
Drink to thirst across the day, take some on board around longer or harder sessions, and more in heat.
Do active people need extra vitamins?
Training raises overall needs, best met by eating enough. Vitamin D in winter and, for women who train, checking iron are the two worth attention.
Keep reading
Related guides
Read the guide →Recovery basics: what the evidence supportsWhat genuinely helps you recover after training, ranked honestly, where supplements fit, and the antioxidant caveat most pages skip.
Read the guide →
The NATURELO nutrition team
Reviewed by Milan Shah, Certificate in Plant-Based Nutrition, T. Colin Campbell Center for Nutrition Studies (eCornell).
This guide is general information, not a substitute for advice from your GP, midwife or pharmacist.
