如何计算热量盈余？BMR与TDEE增肌营养全攻略
很多人练得苦却不见长肉，核心在于没搞懂热量盈余。Lena 和 Eli 将带你精准计算 BMR 与 TDEE，通过每天多摄入 300-500 大卡的黄金法则，让身体科学开启增肌模式。
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增肌不只是练出来的，更是算出来、吃出来的。身体只有在能量有剩余的时候，才会考虑去投资肌肉的合成。
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根据运动营养学的研究，超过80%的健身者无法达到预期效果是因为饮食问题。增肌的本质是能量溢出的过程，身体只有在摄入热量大于消耗热量（热量盈余）的情况下，才会将多余的能量用于合成肌肉。如果你练得非常辛苦但吃得不够，身体不仅不会长肌肉，反而可能因为能量不足而变得更加疲惫甚至消瘦。
科学的增肌建议是实现“渐进式盈余”，即每日摄入的热量比你的每日总消耗热量（TDEE）多出300到500大卡，或者增加10%到15%的摄入量。这个范围能最大限度地促进肌肉生长，同时避免因热量过剩过多而导致脂肪大量堆积。
首先，你需要通过Mifflin-St Jeor公式计算基础代谢率（BMR），即维持生命所需的基本热量。男性公式为：10×体重(kg) + 6.25×身高(cm) - 5×年龄 + 5；女性则为：10×体重(kg) + 6.25×身高(cm) - 5×年龄 - 161。算出BMR后，根据你的运动强度乘以活动系数（如轻微运动为1.375，高强度运动为1.725）得到TDEE，最后在TDEE基础上增加300-500大卡即为你的增肌目标热量。
增肌饮食应围绕“热量盈余加蛋白质充足”展开。建议每公斤体重摄入1.6到2.2克蛋白质以支持肌肉合成；碳水化合物应占总热量的40%到50%，作为训练的能量来源；脂肪则占20%到30%，用于维持激素水平（如睾酮合成）。在实操中，可以采用少量多餐的方法，并在训练前后重点补充易消化的碳水和蛋白质。
最直观的监控指标是体重的动态变化。在理想状态下，每周增重应控制在0.25到0.5公斤之间。如果每周增重超过0.5公斤，说明热量摄入过多，长的可能大多是脂肪；如果连续两周体重没有变化，则说明未达到热量盈余，需要适当增加进食量。建议每天早晨空腹称重以获得最准确的数据趋势。
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Creato da alumni della Columbia University a San Francisco
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
