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I have been using the beta blocker metoprolol since the aortic valve replacement in 2017. This is mainly to prevent possible arrhythmia, but it also helps control my blood pressure. It seems to work fine and I have no obvious side effects except that my heart rate doesn’t seem that high during exercise. Wednesday showed a greater impact. I’ve finished the prescription bottle and I couldn’t find a replacement bottle Wednesday morning. I usually put it first thing in the morning before any event. Anyway, I decided to continue on the bus and look for it later. Wednesday is scheduled for a tough trip, long fast-paced ride, followed by interval meetings and strength training on bikes. I wear a chest strap for heart rate monitoring and I know it’s accurate.
During the rhythm section of the ride, I noticed that my heart rate was 10 times higher than I expected, and although the level of effort I perceived was similar to my recent ride, my heart rate was on average close to 120 and I passed the “talk test” so I didn’t breathe too hard. (So people don’t worry about me talking to themselves, I use an alternative to memorizing letters). Then, during the interval meeting, I noticed that I reached my heart rate of 150s, which I hadn’t seen in a while. I found the replacement bottle after riding and was late for the dose. But this incident implanted curiosity. I noticed that the bottle says to “morning” is not necessarily the first thing in the morning. Doing research on the internet, I can’t find any reason why it’s impossible to exercise early in the morning and then take metoprolol. It seems like a good idea to accept it at the same time every day. So I will start consistently in the morning after the workout.
I’m also curious about the impact it has on sports performance. Mentioned In this video Performance is impaired by famous British cardiologists through beta blockers such as metoprolol, which keeps the heart rate lower during exercise. This seems logical. If I do a spacing and my legs screaming oxygen, then if my heart rate is in the 130s instead of the 150s, I might have a hard time walking.
Recently, I have been working on topics like this on Google’s Gemini. If you click “Dive in the Ask Gemini” box, instead of just answering your question, it will search for many related websites on the Internet, then browse the results and report them. This is an interesting use of AI. So I did this and typed “The Effect of Metoprolol on Athletic Performance.” It thought of This detailed reportI learned a lot from it. It seems that metoprolol affects endurance performance, such as a slight reduction in maximum oxygen consumption (VO2max). The metoprolol I take is necessary to prevent possible heart rhythm disorders. However, for anyone taking this beta blocker only to prevent hypertension, the alternative blood pressure drugs discussed in the report have a much lower impact on performance.
There is also a good discussion about beta blockers and exercise This website. Most importantly, it is completely safe to exercise vigorously while taking metoprolol when taking metoprolol, as long as you take it at the same time every day, whether you take it before or after.
I’m not really worried about minor damage to the performance. Since I started taking the drug in 2017 and am interested in the competition for “competing with myself”, all the performances I’m going to compare lately have been affected the same.
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I am a mechanical engineer with a PhD from Stanford University in 1953, born in 1953, in 1980. I have been active in the field of mechanical CAE for decades. I also have a lifelong interest in outdoor activities and fitness. Due to heredity, I have replaced both hips and heart valves. This blog chronicles my adventures despite the bumps on the road.
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