avatarDr. Lutz Kraushaar

Summary

Researchers are considering the use of taurine to improve metabolic health and potentially extend healthy longevity, suggesting the use of short-term markers like HbA1c and DNA methylation clocks before committing to long-term human trials.

Abstract

The article discusses the potential of taurine for enhancing healthy longevity, drawing from studies on mice that show significant benefits without adverse effects at high supplementation levels. A new study proposes to investigate taurine's impact on aging by initially focusing on short-term metabolic health markers, such as HbA1c, and biological clocks based on DNA methylation. This approach aims to address the challenge of lengthy human lifespans in trial durations. Despite the scientific rigor of the proposed research, the author suggests that individuals can benefit from self-experimentation with taurine, as the results of these studies will take years to materialize and may not provide personalized insights due to the variability in individual responses to medical interventions.

Opinions

  • Self-experimentation with taurine is advocated due to its safety profile and the potential benefits observed in animal studies.
  • The author emphasizes the impracticality of waiting for traditional human trials, which could take decades, especially given the longer lifespan of humans compared to mice.
  • The proposed research is seen as scientifically sound but not immediately helpful to individuals seeking to improve their own healthy longevity.
  • There is skepticism about the utility of DNA methylation clocks as reliable markers for biological age due to their variability and lack of correlation with everyday health measurements.
  • The author's team has developed methods for N-of-1 single-case experiments, which are presented as a viable alternative to traditional trial designs for personalized health insights.

Taurine For Healthy Longevity: Researchers Are Warming Up To The Idea

Image created by AI tool Fotor — provenance and © Dr. Lutz E. Kraushaar

Latest science news relevant to the goal of rejuvenation

The background to taurine self-experimentation

In a previous post, I introduced three good reasons for self-experimentation with taurine to slow down your rate of biological aging. Two of those reasons were that (a) studies in mice demonstrated a substantial benefit in terms of healthy longevity and (b) there is no safe upper limit beyond which taurine supplementation causes any ill effects.

Hence, what have you got to lose? After all, if you wait for human trials to be conducted and published, you’ll waste decades. With human lives lasting so much longer than those of mice, you’ll not get an answer to your longevity question before your own life is almost over.

What a new study says

A group of experts has now proposed to conduct such a study [1]. You can read the full-text publication here.

To get around the study duration issue, the authors suggest going for short-term substitute markers first before embarking on an epic trial journey that follows people for decades.

Given taurine’s beneficial effects on the heart, liver, pancreas, and gut, the authors suggest looking at HbA1c first (the glycated hemoglobin that is a marker of glucose control in diabetics and a diagnostic marker for diabetes itself). They also suggest the use of biological clocks that are based on DNA methylation.

That’s all nice and good, and, from a purely scientific point of view, the proposed research project is flawless and beyond criticism.

But how does it help you?

On first blush, not at all.

The results will only come in a few years. The proposed bioage markers (DNA methylation) have some substantial drawbacks [2]:

  • Different markers give different biological age estimates
  • Different markers correlate with different health aspects
  • No marker is suitable for everyday measurement (to inform about the rate of aging)

Only if the results of this first-stage research are encouraging will researchers consider going on a long-haul survival trial with taurine.

Even if you survive long enough to see the results, you’ll still not know whether or how much a taurine supplement might help you live a longer, healthier life.

The reason is the wide range of interindividually different responses to any medical intervention that we typically observe in medical trials.

All these caveats, from the trial designs, durations, and differences, can be overcome with the self-experimenting method that I introduced in my original post about taurine.

After all, my team and I have operationalized the scientific method for N-of-1 single-case experiments.

Coming back to the question of what the research proposal helps you with, read it as an encouragement to take science into your own hands.

Cited Reference

[1] Ho KM, Lee A, Wu W, Chan MT V, Ling L, Lipman J, et al. Flattening the biological age curve by improving metabolic health: to taurine or not to taurine, that’ s the question. J Geriatr Cardiol 2023;20:813–23. doi:10.26599/1671–5411.2023.11.004.

[2] Bergsma T, Rogaeva E. DNA Methylation Clocks and Their Predictive Capacity for Aging Phenotypes and Healthspan. Neurosci Insights 2020;15. doi:10.1177/2633105520942221.

Taurine
Health
Self Experimentation
Aging
Longevity
Recommended from ReadMedium