What is rapamycin and why are people using it for longevity?
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Rapamycin is a prescription medication originally developed to prevent organ rejection after transplants. It works by inhibiting mTOR, a cellular signaling protein that, when chronically active, drives biological aging. At low, weekly doses, rapamycin briefly pauses mTOR's growth signals and allows the cell's repair and cleanup systems to activate. It is the only intervention to have consistently extended healthy lifespan in diverse animal models — which is why a growing number of clinicians and researchers are exploring its use in humans for longevity and healthspan.
Is rapamycin FDA-approved for longevity?
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No. Rapamycin is FDA-approved for organ transplant rejection prevention. Its use for longevity, metabolic health, or healthspan support is off-label. Live Well Capsules are a compounded formulation, not FDA-reviewed. HerTeleMeds prescribes rapamycin for longevity purposes under clinical supervision, with required lab monitoring. This is a decision made in partnership with your clinician — not a supplement.
What does 'once weekly' dosing mean, and why isn't it taken daily?
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The weekly interval is the science, not a convenience. Continuous daily rapamycin — the kind used in transplant medicine — suppresses mTOR around the clock, which causes real immunosuppression and metabolic side effects. Weekly dosing creates a pulse: mTOR is briefly inhibited, triggering cellular cleanup and repair, and then recovers before the next dose. This captures the longevity mechanism while largely preserving immune function. The intermittent pattern is supported by animal models and the PEARL trial in humans.
Why does the dose increase from 3mg to 6mg?
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Your protocol starts at a lower dose — 3mg once weekly for the first four weeks — so your clinician can confirm how your body responds before increasing. After that initial period, the dose increases to 6mg once weekly, which becomes your ongoing maintenance dose. This step-up approach is a standard, cautious way to start a new medication: establish tolerability first, then move to the dose associated with the protocol's intended benefits.
What is mTOR and why does it matter for aging?
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mTOR (mechanistic target of rapamycin) is a master regulator of cell growth and metabolism. When conditions are favorable — nutrients available, no stress signals — mTOR tells cells to grow and divide. This is useful in youth and during recovery. The problem with aging is that mTOR stays chronically active even when the body would benefit from maintenance and repair. Chronically elevated mTOR suppresses autophagy, the cellular housekeeping process that clears damaged proteins and dysfunctional components. Rapamycin temporarily dials mTOR down, allowing that maintenance work to resume.
Is there human evidence that rapamycin extends lifespan?
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Not yet — no clinical trial has demonstrated lifespan extension in healthy humans. The evidence in animal models is among the most replicated findings in aging biology. In humans, the PEARL trial (2025) demonstrated that weekly low-dose rapamycin is safe over 48 weeks in healthy adults, with secondary signals of benefit. The VIBRANT trial at Columbia is studying whether it can slow ovarian aging in women. The science is serious and accumulating. It is not yet definitive. Your HerTeleMeds clinician will discuss the evidence honestly with you before prescribing.
Is rapamycin relevant to me if I'm in perimenopause?
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Possibly, and this is one of the more exciting areas of emerging research. The ovaries are among the earliest-aging organs in the body, and ovarian aging drives hormonal changes throughout the system. The VIBRANT trial found early evidence that weekly rapamycin may slow the rate of ovarian aging in women aged 38–45. For Jasmine at 38, this context is directly relevant. For Renée at 52, the broader healthspan benefits — immune function, cellular repair, metabolic flexibility — are the primary clinical rationale. Your clinician will discuss what the evidence supports for your specific stage.
What are the risks I should know about?
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At the doses prescribed for longevity, the most common side effects are mouth sores, mild GI symptoms (nausea, diarrhea), elevated cholesterol, and increased susceptibility to minor infections. More serious effects — significant immunosuppression, severe lipid changes, wound healing problems — are more associated with continuous higher-dose use, not weekly low-dose protocols. Regular lab monitoring is required and is how your clinician catches any changes early. Do not use rapamycin if you have an active infection, are pregnant, are healing from surgery, or have uncontrolled hyperlipidemia.
How does this compare to other longevity supplements like NMN, resveratrol, or metformin?
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Rapamycin has a stronger and more consistent preclinical evidence base than any supplement currently marketed for longevity. NMN and resveratrol have generated significant interest but inconsistent human data. Metformin is another prescription option with a growing longevity evidence base (the TAME trial is ongoing). What sets rapamycin apart is the replication and consistency of the lifespan extension data across animal models, and the mechanistic specificity of mTOR inhibition. It is also the only option here that requires a prescription and clinical monitoring — which is part of what makes it a different category of intervention.