Wow… fascinating how subtle changes in environmental conditions can change a combination of equal elements in every way. But in hindsight, maybe not surprised. Like heat or cold on water… a gas, a liquid and a solid… but the same compound. Thanks.
3 Likes
Thanks for the info. Let us know how it goes when you had the chance to try it for a week or two.
3 Likes
Can confirm that price of 20$ for 30 days for Tafero-EM from a seller. Even got a quote for 45$ for 90 pills from another one.
3 Likes
The Indian generic formulations of the combined is for sale only in India. I can get the TAF which isn’t restricted for export. My question is - will the TAF alone be the same given its what is doing the heavy lifting?
1 Like
Gemini answered:
Yes, TAF alone has a distinct therapeutic target, and it does not strictly need to be combined with FTC to function.
1. The Cellular Target is Independent of FTC
The biological mechanism behind the geroprotective theory targets retrotransposon reverse transcriptase activity (such as LINE-1 elements).
- How TAF works: Inside cells, TAF is metabolized into its active form, tenofovir-diphosphate (TFV-DP). This active molecule acts as a nucleotide reverse transcriptase inhibitor (NRTI). It tricks the reverse transcriptase enzymes (used by both HIV and mammalian retrotransposons) into incorporating it into replicating DNA chains, which halts their replication entirely.
- The Role of FTC: Emtricitabine (FTC) is simply another type of NRTI that targets reverse transcriptase in a similar, yet complementary, manner.
2. Why the Study Used FTC/TAF
The study utilized a combination of FTC/TAF (200 mg/25 mg) because it analyzed biobanked samples from existing, FDA-approved clinical trials. In clinical practice, these two drugs are almost always packaged together (such as in the brand-name drug Descovy) because dual-therapy is mandatory to prevent drug resistance when treating or preventing HIV.
3. TAF Alone as a Standalone Product
The product shown in image.png is TAFNEXT 25 mg, which is single-agent TAF.
- As a standalone drug, TAF 25 mg is globally FDA-approved and prescribed under the brand name Vemlidy for the treatment of Chronic Hepatitis B Virus (HBV).
- Because HBV replicates using a reverse transcriptase enzyme, TAF effectively suppresses the virus all on its own without needing to be paired with FTC.
Summary
The biological “machinery” that the researchers are trying to block to reduce biological aging belongs entirely to the reverse transcription process. Because TAF independently inhibits this process, it possesses the standalone pharmacology required to hit that target. However, because human longevity data only exists for the combination formulation so far, we cannot yet clinically state whether TAF alone would replicate the exact epigenetic age-reduction results seen in the study.
2 Likes
Low AdaptAge and High DamAge is bad right
1 Like
Gemini says:
Yes, your biological intuition is completely spot on.
Why Low AdaptAge and High DamAge is Bad
In the framework of these specific “causality-enriched” epigenetic clocks (pioneered by researchers like Kejun Ying and Vadim Gladyshev):
- DamAge tracks harmful, detrimental DNA changes that accumulate as we age. A high DamAge score is strongly associated with adverse health conditions and increased mortality risk.
-
AdaptAge tracks the body’s protective, beneficial adaptations attempting to combat that aging. A low AdaptAge score means the body is failing to mount a proper protective response.
Therefore, having high damage and low adaptation is exactly what defines a accelerated, unhealthy state of biological aging.
Does the TAF Study Show This Result?
No, the study actually shows the exact opposite (positive) result.
The preprint study you provided evaluated whether taking the drug regimen containing TAF could improve biological age markers. When looking at the data from the abstract:
- PhenoAge decreased (−6.33, p=0.008): This indicates that the participants’ general biological age markers significantly dropped after the 12 weeks of therapy.
-
DunedinPACE decreased (−0.061, p=0.019): DunedinPACE measures the pace of aging (how fast your biological clock is ticking). A decrease means the participants’ rate of cellular aging slowed down.
While the specific subset clocks “DamAge” and “AdaptAge” are not explicitly named in the brief abstract text, the authors state there were “concordant reductions across additional systems-specific epigenetic clocks.” In the context of a successful gerotherapeutic effect, a positive outcome means DamAge goes down (less damage) and the overall biological age pressure is relieved.
To learn more about how these specific causality clocks work and how they differentiate between damage and adaptation in anti-aging research, you can check out this Interview on Causal Epigenetic Aging Clocks featuring one of the lead developers of the DamAge and AdaptAge models.
1 Like
study show
AdaptAge -5.92
DamAge +2.10
which is negative result
does AdpatAge also decrease if you get younger?
if so omega-3 AdaptAge +6 and DamAge -6
how do we interutp this results
doi:10.3389/fgene.2026.1836446
Turning back time: a comprehensive list of interventions that decrease next-generation epigenetic aging clocks in humans
1 Like
1 Like
Has anyone taken Descovy for any length of time and had positive measurable results?
It’s no more expensive from India than some of the common supplements that I take. It is a drug if taken must be taken for life to achieve maximum results.
Gemini Pro 3.1:
Do the Benefits Remain After Discontinuation?
No. The geroprotective effects are entirely dependent on continuous use.
Descovy does not permanently edit or silence the genome; it acts as a chemical blockade. The active intracellular metabolite (tenofovir diphosphate) physically binds to and inhibits the reverse transcriptase enzyme utilized by LINE-1 retrotransposons.
If the drug is discontinued, intracellular drug levels decline, and the reverse transcriptase is freed to operate again. LINE-1 will resume leaking cDNA into the cytoplasm, the cGAS-STING pathway will detect the anomaly, and the resulting sterile inflammation will return. To maintain the reduction in biological age markers, the molecular suppression must be continuous.
3 Likes
I think the first step on this program is to see if we get the same decrease in epigenetic age that they did in the study.
After that I would start digging deeper into the issue of biological benefits and dosing schedules.
3 Likes
As an FYI - if interested in trying this medication - Descovy for all its benefits, it is available as a prophylaxis and a prescription can be received through your local Planned Parenthood Office.
Since any sexual encounter (male or female) contact even in an assumed monogamous relationship - has the potential for HIV, anyone sexually active could request to be put on it.
Medication cost is approximately $2,500 for a 1-months supply. One pill daily. significantly more expensive thatn Truvada - Descovy is easier on your bones and kidneys.
After insurance, your cost is $100 per month.
FDA-approved antiretroviral regimens—emtricitabine/tenofovir alafenamide (FTC/TAF, known as Descovy )
A PhenoAge clock showed a reduction of 6.33 years (a reduction of 22% from the mean chronological age of the participants).
Damn, a 6.33 year biological benefit is pretty impressive in 12 weeks.
7 Likes
Jeez, that’s if you’re a man getting anal sex though. I guess you can claim to be. Not sure what a woman can claim. Unless we claim we like anal sex from promiscuous partners. 
2 Likes
Ummm… men and women can get and transmit the Aids HIV virus. From unclean drug needle use, unprotected sex, non-monogamous cross infections.
I met a woman in my wife’s high school graduation class who contacted HIV/Aids from her husband. She passed away a year after I met her. Unfortunate. I am pretty sure she had no butt sex. My point being you can catch HIV/Aids from multiple means. Planned Parenthood understands this and will assist you in being protected.
Prophylaxis could have prevented her being infected.
TBH… not wanting to be cynical, but with sex and dating and bi-sexual being accepted. If I were 20 again… could I trust any sexual relationship as being up-front and safe. Have to lean toward no.
4 Likes
@Agetron I have a similar story.
Back in my 20’s, I’ll never forget my first day of work when the office was almost empty.
That day happened to be the funeral of a young woman who was a rising start at Merrill Lynch. She was engaged and her fiancee cheated… gave her Aids … killed her…
It actually changed how I look at cheating. Most people say it’s better if the other person meant nothing to you. I feel the opposite… if you risk killing someone, I certainly hope you at least loved that person!
4 Likes
Hey All:
I did a little research and the cost difference between Descovy the better medication with longevity and Truvada is almost $2,000 more per month - ouch! With insurance that becomes $100 per month. Longevity benefit is not cheap - it seems. See below
Generic Truvada (emtricitabine/tenofovir disoproxil fumarate) is significantly cheaper than brand-name Descovy (emtricitabine/tenofovir alafenamide).
[image]GoodRx
-
Generic Truvada: Costs around $50 to $100 per month with discounts. It also has low-cost options through programs like Ready, Set, PrEP. No longevity benefits unfortunately - it acts differently in your body.
-
Brand-Name Descovy: Costs about $2,000 to $2,300 per month without insurance.
[image]PridePoint Health +4
Generic Truvada is usually the most budget-friendly choice if you pay cash. If you have insurance, many commercial plans cover both medications. This can bring your out-of-pocket cost down to $0.
[image]Aidsmap +2
Truvada and Descovy are medications used to prevent HIV (known as PrEP).
[image]GoodRx +1
-
Truvada uses an older, proven formula.
-
Descovy is a newer formula. It is designed to be gentler on the kidneys and bones.
2 Likes
I only said that because when I looked up the claim that anyone could ask for it as a prophylactic against HIV so long as they were sexually active, Google basically told me insurance would only cover it in high risk populations, which were pretty much exclusively defined as butt fuckers.
2 Likes
Oh yes generic Truvada definitely isn’t good on my kidneys and bones so I only take it as PreP-on-demand.
2 Likes
Oh I see now… well yes of course - if it’s on Google or the Internet it must be true! Hahahah!
“Insurance would only cover it in high risk populations, which were pretty much exclusively defined as butt fuckers.” Or needle drug use… or sexually active. TBH - how do they know how high risk you are or are not? Does Bi-curious count?
Just messing with you.
However…
The next question - what would you pay for 6.33 more healthy years?
Or, even better what would you be willing to do to get meds for 6 extra healthy years… 
wink - wink!
1 Like
Ofcourse its not the same. Your question to Gemini was not correct, I think
TAF alone has a distinct therapeutic target , and it does not strictly need to be combined with FTC to function.
For therapy - maybe. But for longevity purpose - its not that clear. FTC definitely can play its role too.
5 Likes