InsuranceTom said:

Anxiety increase on mental health: counterintuitive, but losing weight rapidly triggered anxiety for me.

I read this differently from InsuranceTom, on substance rather than tone. I would be careful about how confidently the flatness reports get attributed. Rapid weight loss, a large deficit and disrupted sleep produce low mood on their own, and separating that from a drug effect is genuinely hard.

SaraMom3 said:

My mood has been flatter since about month four and I genuinely cannot work out whether that is the drug, the deficit, or the fact that I no longer…

Therapy insights from my mental health journey: my therapist introduced me to the concept of "identity updating" — the psychological work of becoming a new version of yourself.

Key realizations: I used food to manage emotions, I had internalized fatphobia that I'm still unpacking, my social identity was partly built around being "the big guy/girl," and learning to accept compliments is surprisingly hard when you've been invisible for years.

Physical transformation without emotional processing is unstable. Do both.

mike_nyc said:

I would be careful about how confidently the flatness reports get attributed.

When to call your doctor about mental health side effects — a reference I wish I'd had:

Call immediately:

• Severe abdominal pain (could be pancreatitis)
• Vision changes (thyroid concern)
• Lump in neck (thyroid nodule)
• Severe vomiting/can't keep fluids down for 24h+

Schedule an appointment:

• Persistent nausea beyond 4 weeks
• Significant hair loss
• Mood changes or depression
• Gallbladder symptoms (RUQ pain after eating)

A narrower follow-up, since the general answer is now clear:

Was that from a primary source or from a summary of one?

Closing the loop on my own question.

Update: I got the sleep and the intake sorted before deciding it was the drug, and most of the flatness went with them. Not all of it, and I am watching the rest.