What are the benefits of coffee?
Like many people in the UK, coffee is my go to morning drink. I love the smell, the taste and the ritual of making a lovely cup of joe. There’s also the sheer weekend pleasure of having the time to sip on a hot cup of black coffee while reading the newspaper.
It pains me to say this because I love it so much, but coffee is a much-maligned drink, with the downside more frequently talked about than the many positives. A recent review of studies in the BMJ showed that moderate coffee drinking is okay and has some benefits, but like all good things, you need to know when to stop.
So what are the benefits?
1. A cup of coffee is so much more than just hot black water. A cup of coffee contains riboflavin (vitamin B2), pantothenic acid (vitamin B5), manganese, potassium, magnesium and niacin (vitamin B3). Coffee is also packed with antioxidants.
2. Coffee can improve brain function. Caffeine blocks one type of neurotransmitter that can hold you back and increases noradrenaline and dopamine, leading to enhanced firing of neurons.
3. Coffee could lower your risk of developing type II diabetes. A number of observational studies show that coffee drinkers have as much as a 62% lower risk of developing this disease; one of the biggest health problems of our time, which is characterised by raised blood sugar and the inability to secrete insulin to lower blood sugar levels. A daily cup can typically lower your risk by 7%.
4. Coffee can help you burn fat. Caffeine is found in almost every fat loss supplement because it’s one of a very small number of substances proven to help with fat burning. Research shows that it can boost your metabolic rate by up to 11%, and raise the amount of fat you burn by between 10% in overweight people and 29% in lean people. The downside is that the effects are likely to diminish with time in regular coffee drinkers.
5. The caffeine in coffee can boost your physical performance. Caffeine stimulates production of adrenaline. This is one of the stress hormones, but primes you for physical activity. A cup of coffee can improve physical performance by up to 12%. Caffeine also stimulates the nervous system, telling it to break down the fat stored in fat cells and making the energy more available to be used as fuel. A cup of black coffee before a workout could improve your performance in the gym!
What’s the best way to enjoy coffee?
No coffee after 2pm. It is, after all, a stimulant and, if you drink it too late in the day, it can interfere with the quality of your sleep, or your ability to get to sleep in the first place.
Ditch the sugar. A sure fire way to undo all the good a cup of coffee can do is to add a few spoons of the white stuff. The downside to sugar is now pretty well documented. In a nutshell, it increases inflammation in the body, and can lead to obesity and diabetes.
Go organic. Coffee is routinely heavily sprayed with pesticides, so go for organic whenever you can.
How much can I drink?
The amount of caffeine in a single cup of coffee varies enormously. A small home brewed cup is likely to contain around 50mg per cup (unless you have an amazing coffee machine), while a large one from a coffee shop might have over 400mg. You’d expect the average cup to have around 100mg.
A number of studies suggest up to 400mg a day (that’s about 4 cups) is safe for most people but many people are able to enjoy more without any ill effects. Do bear in mind that tea, chocolate and some soft drinks and prescription drugs also contain caffeine, so you need to view your coffee intake in light of other things you are eating and drinking.
If you know you need a diet and lifestyle upgrade, but are not sure exactly what that would look like for you, get in touch. Looking forward to talking to you and helping you take the first step towards a new you!