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The story
Broadcast writer and TV personality Osamu Suzuki announced on his Instagram that he has entered his second week of injections with Mounjaro, a GLP-1 receptor agonist. He says he’s keeping his dose at 2.5mg rather than raising it to the maximum 5mg. Mounjaro is officially approved as a treatment for type 2 diabetes, but its appetite-suppressing effects have fueled growing off-label use for weight loss. While this isn’t illegal when prescribed by a doctor, 5ch users were split, citing concerns over insurance coverage and safety — especially in light of reports that the U.S. FDA flagged a risk of vision loss.
Osamu Suzuki Reports the “Changes” After 2 Weeks on Mounjaro: “People Like Us, Overweight and Our Age, Should Be Using This”
On the 12th, Osamu Suzuki updated his Instagram, sharing how he’s been doing since starting Mounjaro injections.
In his post, he explained: “Second week since starting Mounjaro. Just had my second shot. 2.5mg. After talking it over with my doctor, we’re sticking with 2.5mg for now instead of bumping up to 5mg.”
Source: news.yahoo.co.jp / Read the original article here
What people said
Stuff like this always comes back to bite your body somehow.
Goes without saying, but the moment you stop the shots, you'll just gain it all back.
It's fine since it's prescribed by an actual doctor, isn't it?
Any doctor prescribing this for weight loss alone is trash.
The fact that there are doctors prescribing it for weight-loss purposes is exactly what's being called into question here.
He casually says 'people like us fatties should use this,' but did he even try exercising or cutting back on food first?
Plenty of people get it prescribed purely for weight-loss purposes too, though.
In Japan, GLP-1 receptor agonists are sold under names like the diabetes drug 'Mounjaro.'
https://news.web.nhk/newsweb/na/nd-20261110de73780
Unrelated.
Diabetes is a disease that damages capillaries,
so it wrecks the eyes, kidneys, and nerves (all clusters of capillaries).
The feeling of not eating enough goes away after about two weeks.
After that, you actually start feeling guilty eating anything high-calorie.
Though if Mounjaro curbs your appetite enough to let you build that habit, it does serve a purpose.
In the US you can get it for less than half the Japanese price through TrumpRx.
he was already diabetic and got so sick from COVID he ended up on ECMO.
He lost about 30kg in six months.
I wouldn't want to touch something like that —
we don't even know what side effects might show up years down the line.
That's Alli (orlistat) you're thinking of, a different weight-loss drug — not Mounjaro.
What is wrong with this country.
If he's not diabetic, isn't it out-of-pocket care, not insurance?
He's a TV person — isn't it kind of bad that he doesn't know what's already been covered on TV?
My weight went from 82kg to 68kg, and my numbers are nearly back to normal now.
I feel incredibly light.
I used to think not being able to shake off fatigue was just my age,
but turns out that wasn't it at all.
Doctors are something else, huh.
But it does seem like you'd rebound if you ever stopped taking the meds.
The strain has to show up somewhere.
Losing weight that fast makes your hair fall out.
Are you planning on taking it forever?
Once you're past 50, that's just how it goes.
Background and Key Points of This Discussion
Mounjaro (tirzepatide) was originally approved as a treatment for type 2 diabetes, and its appetite-suppressing effects have led to growing use in obesity treatment as well. In Japan, insurance covers it when prescribed for diabetes treatment, but in practice, prescriptions issued purely for weight loss fall under out-of-pocket, non-insured care — which is why, in the thread, a claim that “70% is covered by insurance” gets corrected with “that should be out-of-pocket care.” Separately, in early November 2026 the U.S. FDA reportedly announced that use of GLP-1 receptor agonists may carry an increased risk of vision loss, and much of the thread’s anxiety traces back to that report. That said, vision impairment caused by diabetes itself stems from blood vessel damage, and a direct mechanism linking it to the drug’s own side effects still hasn’t been clearly established. Osamu Suzuki has not disclosed any diabetes diagnosis, and the fact that he’s sticking to a low 2.5mg dose under his doctor’s guidance is what’s dividing opinion here.
*This article is excerpted and summarized from the 5ch (Entertainment/Sports News+) thread “Osamu Suzuki Reports Changes 2 Weeks Into Mounjaro Injections: ‘People Like Us, Overweight and Our Age, Should Be Using This’ / ‘I Genuinely Feel Lighter’.”
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