Warning: This is an experiment log, I’m not advising you to start taking Retatrutide. I wish that there were more logs about people's experiences on peptides, so here's mine in case others find it helpful.

I started Retatrutide in late May. I wasn’t overweight; I wanted more energy and focus. My BMI was 20.3-20.5 so I could lose about 5-7% of body weight without falling into the underweight category; I wore size 2-6 in women's clothing; I deadlifted and squatted 3x5 (3 sets of 5 reps) about 0.85x my bodyweight, and I could overhead press about 0.3x of it. I went with Retatrutide because some people said that it helped them with focus etc.

I'm at my most productive when I’m slightly hungry, but not extremely hungry. This feature proves good for morning work, and bad for any sort of afternoon work after lunch (I get productive again right [...]

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Outline:

(02:19) Week 1-2

(03:28) Focus/Productivity

(04:00) Side effects

(04:52) Week 3-4

(05:13) Focus/Productivity

(06:42) Side effects

(07:53) Week 5

(07:57) Focus/Productivity

(08:59) Side effects

(10:27) Week 6

(11:18) Week 7

(11:31) Focus/Productivity

(12:03) Side effects

(13:22) Week 8

(13:29) Focus/Productivity

(14:06) Side effects

(14:35) Week 9

(15:47) Things that didn't really fit into weekly reports:

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First published:
July 25th, 2025

Source:
https://www.lesswrong.com/posts/J8nvbu5AFqR5ysSDR/my-experience-on-glp-1s-as-a-thin-person

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Narrated by TYPE III AUDIO.

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Images from the article:

Weight loss trend over the course of the experiment

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What Now: How Tomorrow Shapes Today - Part 7: The Shepherd King - Pastor Jonathan Kwon