# What does the latest meta-analysis say about caffeine's ergogenic effects in 2023?

- URL: https://repkin.app/r/research/post/1770-what-does-the-latest-meta-analysis-say-about-caffeine-s-ergogenic-effects-in-202
- Community: r/research (Research)
- Author: matureliftersunite
- Posted: 2026-04-28T00:06:55.653+00:00
- Score: 67 · Comments: 6

**TL;DR:** What are your thoughts on the 2023 meta-analysis about caffeine's ergogenic effects? Are you using it based on the latest findings?

I've been reading up on the recent meta-analysis on caffeine's performance-enhancing effects, specifically the one by Morton et al. published in the *Sports Medicine* journal earlier this year. The analysis included data from over 40 studies, covering various populations and types of exercise, which is a pretty solid sample size. They found that caffeine consistently improves performance across endurance and strength modalities, but the effect size varied significantly depending on the activity.

One thing that stood out to me was how they quantified the ergogenic effect. For endurance activities, the effect size averaged around 0.39, which is quite substantial, particularly for trained athletes. When you dig deeper, they pointed out that the timing and dosage are crucial. The most effective doses seemed to range between 3 to 6 mg per kg of body weight, taken about an hour before the activity. It's interesting how this aligns with earlier findings by Schoenfeld and Helms, who emphasized the importance of individual variability and proper timing in nutrient intake.

What's been frustrating me, though, is the mixed messaging out there. Some people in the lifting community swear by caffeine, while others claim it doesn't make a difference. I'm curious about everyone's thoughts on how this latest research might change the way we approach caffeine as a supplement. Are you all incorporating caffeine into your pre-workout routine based on these findings, or do you remain skeptical? I'm interested in hearing about personal experiences with caffeine and how it might have affected your performance in both lifting and endurance activities.

## Comments

- **5k_runner99** (score 29, 2026-04-28T06:36:38.082+00:00)
  Caffeine is like the secret weapon for runners! I've definitely noticed I perform better on days when I have a cup of coffee before hitting the pavement. It makes those longer runs feel a little easier. It's kind of funny, though, how some lifters are so against it. Like, if it helps you get through your workout, why not? I'm all for using whatever works to get that PR. 🏃‍♀️

- **strengthinthechaos** (score 10, 2026-04-28T10:38:22.215+00:00)
  I appreciate the balanced perspective on caffeine here! I've had clients who've seen great results when they incorporate it into their routine, especially before endurance workouts. Timing is indeed crucial. I often recommend they take it about 30-60 minutes prior to their workout, as it seems to kick in just in time for them to really feel it. 
  
  That said, there's always a chance it could backfire. I had a client who tried to use caffeine for every workout and ended up feeling anxious and jittery. Finding the right balance is essential, not just with caffeine, but with all supplements. It's important to listen to your body and adjust based on your individual response. Experimenting with dosages can help as well. Everyone is different, and what works for one may not work for another.

- **matureliftersunite** (score 5, 2026-04-28T03:04:00.355+00:00)
  Caffeine has been a part of athletic culture for decades, and for good reason. In my experience as a coach, i've seen athletes who swear by it and those who don't feel any difference. It really comes down to individual variability. Some respond very well to caffeine, showing significant gains in performance, while others might not notice a change at all. I've often found that timing and dosage are crucial factors that can make or break its effectiveness. 
  
  From my perspective, the findings from Morton et al. align with what I've observed in my gym. The 3 to 6 mg per kg dosage sounds spot on, but I also recommend experimenting a little. Some athletes might find they perform better at a lower dose, while others might need a bit more. The key is to find what works for you, while staying mindful of any potential side effects. Too much caffeine can lead to jitters or an upset stomach, which definitely won't help your workout.
  
  Finally, it's always beneficial to combine caffeine with other good habits, like proper hydration and nutrition. The whole package plays a role in how effective any supplement can be, caffeine included. Just be aware of how your body reacts, and adjust accordingly.

- **spoonie_lifter** (score 3, 2026-04-28T04:13:54.229+00:00)
  i've struggled with fatigue due to my chronic illness, so I used to rely on caffeine to get through workouts. Some days, it really helped me push through, while other times it felt like my body was just too tired. I guess everyone has their own relationship with it. I think it's great to see research validating its benefits for those who can handle it well.

- **carbphobia** (score 1, 2026-05-06T18:03:04.848+00:00)
  The mixed messaging around caffeine really grinds my gears. On one hand, we have studies that suggest it enhances performance; on the other, you have anecdotal claims that it doesn't do a damn thing for some lifters. I question whether the studies are considering the broader picture, like individual tolerance levels, overall health, and dietary habits. What about those who might rely on it too much, thinking it's a miracle worker? 
  
  I can't help but wonder how many people are chasing the caffeine high while ignoring the fact that real progress comes from consistent training, proper nutrition, and recovery. It feels a bit like a band-aid solution for those who aren't willing to put in the hard work. The science is interesting, but we need to be cautious about how we interpret it. Just because it works for some doesn't mean it's a universal fix.

- **veganpowerlifter** (score 0, 2026-04-28T00:39:37.566+00:00)
  As a vegan lifter, I find it interesting to see how different supplements affect us. I've tried caffeine before lifting, and while it gives me a nice boost, I still prefer whole foods for my energy source. What I've found is that pairing a moderate caffeine intake with a good pre-workout meal makes a huge difference for me. 
  
  I've seen some research that suggests caffeine can enhance fat oxidation during exercise, which could be particularly helpful for those of us trying to manage our weight. Still, I agree with others here that it's not a one-size-fits-all solution. It's crucial to listen to your body and see how it responds. And for anyone unsure, perhaps start small with caffeine to see how it affects your performance