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You cannot claim your products are “Research Use Only” while simultaneously marketing them in formulations that clearly suggest human administration, such as ready-to-use nasal sprays.
A RUO disclaimer isn’t a regulatory shield. The FDA looks at intended use, including formulation, marketing, labeling, and the overall context of how a product is sold.
A nasal spray isn’t automatically proof of human-use intent, but let’s not pretend the implications aren’t obvious when paired with consumer-focused marketing.
These are the companies creating unnecessary regulatory scrutiny for the entire research chemical industry.
If enforcement increases, don’t act surprised. Some companies are practically handing regulators the evidence themselves.
#Peptides #ResearchChemicals #FDA #RUO
@EricTopol@AnnalsofIM waist size adding signal on top of BMI in 6.3 million people is the part that sticks with me. did the risk keep climbing at the top or level off?
@CoachWillStone faster than cigarettes feels like a stretch tbh. high glucose is rough on blood vessels for sure but I'd want to see what that comparison is based on
@Nature pet dogs might honestly be the best aging model we have, they live in our homes and eat our junk. the Dog Aging Project rapamycin trial is the one I'm watching
@foundmyfitness the Kevin Hall inpatient study still gets me. same food offered, and people just ate ~500 more calories a day on the ultra-processed diet without trying
@newstart_2024@shemdpodcast@KrisJenner "did not do ozempic" while still getting a shot from her doctor is the most celebrity sentence ever lol. would love to know what was actually in it
Stopping tirzepatide is the part of the GLP-1 story that doesn’t fit into a before-and-after photo.
The clearest evidence comes from SURMOUNT-4 (Aronne et al., JAMA, 2024), a randomized withdrawal trial funded by Eli Lilly.
Stage one:
783 adults with obesity or overweight, without diabetes, received tirzepatide for 36 weeks.
The 670 participants who reached randomization had lost an average of 20.9% of their starting body weight.
Stage two:
Participants were randomized to continue tirzepatide or switch to placebo for another 52 weeks.
The results:
Continued tirzepatide: another 5.5% weight reduction.
Switched to placebo: 14% weight regain.
89.5% of participants continuing treatment maintained at least 80% of their initial weight loss.
Only 16.6% of the placebo group maintained that same threshold.
Here’s what people overlook.
At week 88, the placebo group was still approximately 9.9% below its original weight.
So no, everyone didn’t simply regain everything. But substantial weight regain was common.
What the trial didn’t establish:
Whether gradual tapering reduces rebound weight gain.
How resistance training and dietary interventions might influence weight maintenance.
How much of the regained weight consisted of fat versus lean tissue.
The takeaway?
Tirzepatide isn’t failing when weight returns after discontinuation.
Obesity is a chronic condition, and the biological mechanisms driving appetite and weight regulation don’t necessarily disappear because someone lost weight.
These medications may be better understood as long-term metabolic therapies rather than temporary weight-loss interventions.
That’s an important distinction when discussing expectations, treatment duration, and long-term outcomes.
#Tirzepatide #GLP1 #MetabolicHealth #WeightLoss #ObesityResearch #Biohacking #ClinicalResearch
Exactly.
SURMOUNT-4 and SURMOUNT-MAINTAIN both show the same pattern.. once you remove the drug, most of the weight (and a meaningful portion of the cardiometabolic improvements) comes back. Continuing treatment, even at a reduced dose, maintains substantially more of the loss than stopping.
In SURMOUNT-MAINTAIN, the 5 mg maintenance arm still beat placebo by a clear margin after the initial high-dose period.
The “get to goal while lifting, then find the lowest dose that holds you there” approach lines up with what the data actually supports so far. The trials didn’t fully test structured resistance training + protein during the loss phase, but body-composition data from SURMOUNT-1 showed roughly 25% of the loss was lean mass.
Lifting is the practical lever that keeps that number from getting worse, and it becomes even more relevant if someone later reduces the dose.
Beyond the scale, the case for staying on something long-term is stronger than pure weight maintenance. Tirzepatide has shown improvements in blood pressure, lipids, liver fat, inflammation, and diabetes progression risk (especially in the prediabetes cohort from SURMOUNT-1), with some signals that aren’t fully explained by weight loss alone. That’s closer to how we treat other chronic metabolic conditions than a temporary weight-loss intervention.
The open questions are still how low can most people go and still hold composition and metabolic markers, how much structured training changes the picture, and whether a true taper to zero ever works for more than a minority.
But the default assumption that you “finish” and stop doesn’t match the withdrawal data. For a lot of people the realistic long-term path is the one you described..find the lowest effective dose that keeps things stable and stay there until something better exists.