Creatine Benefits and the Evidence-Based Supplements Worth Knowing

0 to Elite course · Lesson 76 of 100 · Level 4: Advanced

By now your training, food and sleep are in good shape. That is the point where people start asking about supplements, and creatine benefits are usually the first question. The honest answer is that only a few supplements have strong evidence, and none of them replace the basics you have built over the last 75 lessons.

Where supplements sit

Think of your results as a pyramid. The base is consistent training and progressive overload. Next comes total calories and protein, then sleep and stress. Nutrient timing, which you looked at in lesson 75, sits near the top. Supplements are the very tip. They can add a little, but only once everything underneath is solid.

We already have a broader article on whether you need supplements at all, so read the full guide if you want the beginner view. This lesson focuses on the few products a serious lifter might reasonably use.

Creatine monohydrate: the best-studied option

Creatine is a compound your body makes and that you also get from meat and fish. It helps your muscles recycle energy during short, hard efforts like a heavy set of squats. Creatine monohydrate is the most researched sports supplement there is, and the evidence is consistent: taken alongside resistance training, it tends to give a modest boost to strength, repeated high-intensity efforts and muscle gain over time.

• Amount: 3-5g a day is the commonly used amount. You don’t need a “loading phase”; daily use builds up your stores over a few weeks.
• Timing: it doesn’t matter much. Take it at a time you will remember, with food if that suits you.
• Form: plain monohydrate. Newer, pricier forms have not been shown to work better.
• Expect: a small rise in scale weight in the first weeks, mostly water stored inside the muscle. That is not fat.

Protein powder and caffeine

Protein powder

Protein powder is food in a convenient form, nothing more. If you struggle to hit the daily protein target you set in lesson 34, a shake can fill the gap. If you already hit it with meals, it adds nothing extra. Whole foods should still make up most of your intake.

Caffeine, with caution

Caffeine can make hard sessions feel easier and help with focus. A normal coffee before training is plenty for most people. Use it with care:

• Avoid it in the afternoon and evening if it affects your sleep, which matters far more for recovery.
• Be wary of “pre-workout” products. Many contain large amounts of caffeine, sometimes mixed with other stimulants, and it is easy to take far more than you realise.
• The NHS advises limiting caffeine during pregnancy, and people with heart conditions, high blood pressure or anxiety should check with their GP.

Vitamin D

In the UK, sunlight is too weak in autumn and winter for your skin to make enough vitamin D. The NHS advises that adults consider a daily 10 microgram (400 IU) vitamin D supplement during autumn and winter, and all year round for people who rarely get outdoors, cover most of their skin outside or have darker skin. This is a general health recommendation, not a muscle builder, but it is one of the most sensible supplements for anyone living here. More is not better: stick to the NHS amount unless your GP advises otherwise.

Safety, testing and what to skip

Check with your GP or pharmacist first if you take any regular medication, are pregnant or breastfeeding, or have kidney or liver problems, diabetes, a heart condition or high blood pressure. Creatine in particular should not be started without medical advice if you have any kidney issue.

• Third-party testing: supplements are less tightly regulated than medicines and some have been found to contain ingredients not on the label. Choose products that are batch-tested by an independent third-party testing scheme, especially if you ever compete in a tested sport.
• Fat burners and stimulant blends: we don’t recommend them. The evidence for fat loss is weak, and the stimulant content can raise heart rate and blood pressure and disturb sleep. A sensible calorie deficit does the actual work.
• Big promises: if a product claims dramatic muscle gain or fat loss in weeks, walk away.

If you want help building a food plan first, our nutrition coaching starts there, not with a shopping list of pills.

Your action steps

1. Check your base: are you training consistently, hitting your protein target and sleeping 7 or more hours most nights? Fix those first.
2. If you are healthy and want to try creatine, take 3-5g of plain creatine monohydrate daily for at least 8 weeks and note your training log, not just the scale.
3. Start the NHS vitamin D advice this autumn if it applies to you.
4. Move your last caffeine earlier in the day and see if your sleep improves.
5. If you take medication or have a health condition, speak to your GP or pharmacist before adding anything.

Frequently asked questions

What are the benefits of creatine?

Taken alongside resistance training, creatine monohydrate tends to give a modest boost to strength, repeated hard efforts and muscle gain over time. It is the most researched sports supplement available.

How much creatine should I take a day?

3-5g a day of creatine monohydrate is the commonly used amount, and a loading phase isn’t necessary. Speak to your GP first if you have kidney problems or take regular medication.

Should I take vitamin D in the UK?

The NHS advises adults to consider a daily 10 microgram vitamin D supplement in autumn and winter, and all year round for some groups, such as people who rarely go outdoors.

Keep going

Previous: Lesson 75: Nutrient Timing: What Matters and What Doesn’t

Next: Lesson 77: Body Composition Tracking Like a Pro

Lost your place? See the full course map.

Want Artem to coach you through it? SYP Fitness is a private 1-to-1 personal training studio at 2-4 Navigator Square, Archway, London N19 3UB. Rated 5.0 from 106 Google reviews. Book a free consultation or WhatsApp Artem on 07301 512215.