Which Coffee Is Best For Weight Loss? A Science-Based Guide

In this guide

Which Coffee Is Best For Weight Loss? A Science-Based Guide

Coffee is one of the most popular drinks worldwide and is often linked to weight loss.

But does it really help? And if so, which coffee is best for weight loss?

The answer isn’t as simple as it seems. Let’s explore this in more detail!

At a Glance

  • Coffee may support weight management slightly, but evidence is limited and not strong enough to confirm direct weight loss.
  • Black coffee is the best low-calorie option.
  • Popular options like lattes, mochas and flavoured coffees can add significant calories, depending on ingredients.
  • Green coffee is often marketed for fat loss, but research is inconsistent and largely inconclusive.
  • Sustainable weight loss depends on diet, exercise, sleep and lifestyle habits — not coffee alone.

Does Coffee Actually Help You Lose Weight?

Some research suggests that coffee may play a small role in weight management, although the evidence is not conclusive.

More specifically:

  • A 2021 review of studies found that coffee may influence body fat through several mechanisms, including its effects on fat storage, metabolism and the activity of fat cells (adipocytes). It may also interact with the gut microbiota, which is linked to body weight regulation.
  • Another review published in 2019 reported that caffeine intake is associated with modest reductions in body weight, BMI and body fat.
  • A more recent 2024 review of studies found mixed results. While some research suggests coffee may support weight loss due to compounds like caffeine and polyphenols, other studies show no clear link. Differences in diet, caffeine intake, dosage and individual characteristics may influence outcomes. Overall, coffee may help with obesity prevention, but its long-term effects on weight loss remain unclear.

Pharmacist explains: Coffee may support certain processes involved in weight loss, but it is not a standalone solution and should be considered as part of a wider lifestyle approach. More research is needed to draw firm conclusions.

Which Coffee Is Best for Weight Loss?

Black coffee is generally considered the best option if you’re trying to manage your weight, mainly because:

  • It contains almost zero calories
  • It doesn’t include added sugars or fats
  • It provides caffeine without extra energy intake

However, as mentioned earlier, there isn’t enough strong evidence to confirm that any specific type of coffee directly leads to weight loss.

What about green coffee?

Green coffee (unroasted coffee beans) is often promoted as a weight loss aid, mainly due to compounds like chlorogenic acid. It has gained popularity over the years, although many experts question how effective it really is.

Some early studies (particularly in animals) suggested that green coffee extract may help reduce body weight and fat accumulation. For example:

  • A 2006 research suggested that compounds in green coffee may influence fat metabolism. That said, much of the evidence comes from early-stage or animal-based research, making it difficult to apply directly to humans.
  • A 2010 systematic review found that green coffee extract may help reduce body weight and fat accumulation. However, the study was conducted under controlled conditions with a limited sample size, which may not reflect real-world use.
  • A 2016 study found that green coffee bean extract has a potential anti-obesity effect with lowering body fat accumulation. However, the study was conducted in mice, so the findings cannot be directly applied to humans and should be interpreted with caution.

Overall, there is currently no strong or conclusive evidence that green coffee leads to meaningful weight loss in humans. More robust, well-designed studies are needed before clear conclusions can be drawn.

What Additives Increase Calories & May Cause Weight Gain?

Many coffee drinks become high-calorie due to added ingredients. You should watch out for:

Additive

Calories (approx.)

Sugar

~16 kcal per teaspoon (4g) / ~400 kcal per 100g

Full-fat milk

~60 kcal per 100ml

Semi-skimmed milk

~45 kcal per 100ml

Cream (single)

~190 kcal per 100ml

Whipped cream

~250–300 kcal per 100g

Coffee creamers (powder/liquid)

~30–50 kcal per tablespoon

Sweetened condensed milk

~320 kcal per 100g

Flavoured syrups (e.g. vanilla, caramel)

~50–80 kcal per tablespoon

Coffee type

Calories (per cup)

Black coffee

5-10 kcal

Espresso (single)*

5–10 kcal

Cappuccino

90–120 kcal

Latte

130–180 kcal

Flat white

140–170 kcal

Mocha

220–300 kcal

Macchiato

20–40 kcal

Iced coffee (sweetened)

150–300+ kcal

*30 ml

Calories are estimated based on one standard cup (200–240ml), using semi-skimmed milk and 1 teaspoon of sugar (where applicable). Actual values may vary depending on portion size and ingredients.

Does Coffee Replace a Healthy Lifestyle?

No. Coffee alone won’t lead to meaningful weight loss. For long-term results, focus on:

You can also explore diet supplements for weight management as part of a broader approach!

Can Coffee Ever Slow Weight Loss?

Yes, in some cases. Too much caffeine may:

  • Disrupt sleep
  • Increase stress hormones (cortisol)
  • Lead to cravings or overeating

These can indirectly affect weight management.

Some research suggests that coffee (mainly due to its caffeine content) may support certain processes linked to weight management. However, the evidence is still limited, and more studies are needed to draw firm conclusions.

Coffee on its own won’t lead to meaningful weight loss. Lasting results depend on a balanced diet, regular physical activity and consistent lifestyle habits.

Struggling to lose weight or unsure where to start? Get the support you need today with the Weldricks’ weight loss management service and receive personalised guidance from experienced pharmacists!

FAQs

What is a “skinny coffee”?

“Skinny coffee” usually refers to low-calorie coffee, often made with skimmed milk and no added sugar.

Is coffee with sugar good for weight loss?

Certainly not. Regularly adding sugar increases calorie intake and may work against weight loss goals.

How much caffeine is too much?

Up to 400mg of caffeine a day is considered safe for most adults.

Published 16th June 2026 by

Allan Green

Allan Green

Registered Pharmacist & Head of E-commerce

Allan has been a Registered Pharmacist for 25+ years

He specializes in Ecommerce and Over the Counter medicines.

He is a Registered Pharmacist, who studied at University of Bradford.

He has been with Weldricks since 2006, starting as a branch manager before moving into area management and deputy superintendent roles.

His current responsibilities include web development, marketing, content, customer service and web operations teams.

GPhC Registration: 2049602