Are Your Cells Aging Faster Than You Are?
What the research says about a real-life fountain of youth
By Carol Locke, M.D.
You don't feel your age. Most days you feel about 35.
Then something reminds you. A slower morning. A longer recovery. A photo you didn't expect. The grandkids, or the kids, who seem to have twice your energy.
What most of us want isn't to live forever. It's to stay ourselves for as long as possible: sharp, strong, energetic, and fully present for the people we love.
Here's the encouraging part. Your birthday is one clock. Your cells keep another. And researchers have learned that the second clock can run faster or slower depending on how you live.
The clock inside your cells
At the ends of your chromosomes are protective caps called telomeres. Think of the plastic tips on shoelaces that keep them from fraying. Telomeres tend to wear down over time, and two things speed that wear: inflammation and oxidative stress, a kind of cellular "rust."
For years, scientists assumed telomeres only got shorter. They don't. Telomeres can lengthen as well as shorten, and they can change within months. That's why what you do every day matters.
The Healthy Aging Plan: 3 steps
Step 1. Move most days. (Feel stronger, longer.)
A brisk walk, a home workout, a bike ride. In a three-year European trial of older adults, a simple home exercise program added to the benefits of omega-3 and vitamin D on one measure of biological age.
Step 2. Rebalance your fats. (Cool the "rust.")
Your body uses omega-6 and omega-3 fats in competition with each other. Our ancestors ate about 2 to 3 parts omega-6 for every 1 part omega-3. Today's typical Western diet runs closer to 15 or 17 to 1, largely because of refined seed oils like corn, sunflower and safflower. You can shift your ratio from both sides: use fewer of those oils, and get more omega-3.
Step 3. Add daily EPA omega-3. (Support healthy aging at the cellular level.)
OmegaBrite 7010MD, the omega-3 I formulated with a 7:1 ratio of EPA to DHA, was used in a four-month trial of adults aged 40 to 85 run by researchers at Ohio State University and the University of California, San Francisco. The telomere scientists on the team included UCSF's Elizabeth Blackburn, who shared the 2009 Nobel Prize for discovering how telomeres and the enzyme telomerase protect our chromosomes. They looked at aging two ways:
- The telomere study. Compared with placebo, people taking it had 15% lower oxidative stress, the cellular "rust" that wears telomeres down. And telomeres followed the omega balance. In the higher-dose group, the omega-6 to omega-3 ratio dropped from about 11 to 1 to 5 to 1 in four months, and their telomeres got longer on average. In the placebo group, whose ratio barely moved, telomeres got shorter. Person by person, the bigger the drop in someone's ratio, the more their telomeres lengthened. Here's the part I find most striking: these volunteers already ate better than the typical American. The researchers noted that people starting with a poorer omega balance would likely benefit even more, so the results may underestimate what's possible for most of us.
- The cellular aging study. The same adults then faced a stressful public-speaking test. In the placebo group, telomerase, the enzyme that maintains and restores telomeres, dropped by about a quarter in the two hours afterward. In both omega-3 groups it held steady, even at the lower dose. The higher dose also meant 19% lower cortisol and 33% lower IL-6, an inflammatory messenger, throughout the stress. The researchers called it "a profile of stress resilience."
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3 more habits for aging well
4. Protect your sleep. Keep a steady bedtime and wake time, and put screens away an hour before bed.
5. Take stress seriously. Chronic stress shows up in your biology. In a six-year Ohio State study, adults under long-term caregiving stress saw the inflammatory messenger IL-6 rise about four times faster than their peers.
6. Talk to your doctor about vitamin D. In the three-year European trial, vitamin D was one of the three habits whose benefits added up.
Imagine ten years from now
You're on the floor playing with a grandchild, and you get up without a second thought. You take the trip. You keep up on the hike. You're still you, and the people you love get all of you.
That's what a fountain of youth really looks like. Not turning back time. Living well in it.
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Who do you want to grow older with? Send them this. Healthy aging is better together.
4 things you'll want to tell someone
- Your telomeres can grow, not just shrink. They can lengthen as well as shorten, and they can change within a few months.
- Our omega balance is way off. Our ancestors ate about 2 to 3 parts omega-6 per part omega-3. Today it's closer to 15 or 17 to 1.
- Most of us get almost none. Nutrition experts recommend about 500 mg of EPA and DHA a day. In a national U.S. sample, the typical intake from food and supplements was only 18 mg of EPA and 15 mg of DHA.
- Biological age can be measured, and slowed. In a three-year trial of 777 older adults, 1 gram of omega-3 a day slowed three "biological age" clocks by roughly three months, and the benefits added up with vitamin D and exercise.
For the curious: the science behind the plan
The telomere study. Between 2006 and 2011, researchers from Ohio State and UCSF, including Nobel laureate Elizabeth Blackburn, gave 106 sedentary, overweight adults aged 40 to 85 either 2.5 or 1.25 grams of omega-3 a day, or a placebo, for four months. The capsules were OmegaBrite. Oxidative stress, measured by F2-isoprostanes, rose 8% in the placebo group and fell 8 to 9% in the omega-3 groups, leaving the omega-3 groups 15% lower. The omega-6 to omega-3 ratio fell from 11 to 5.0 in the 2.5 g/day group and from 10 to 6.8 in the 1.25 g/day group, but only from 11 to 10 on placebo. Telomeres followed: on average they lengthened by about 50 base pairs in the 2.5 g/day group and 21 in the 1.25 g/day group, and shortened by about 43 on placebo. Telomeres lengthened in 54% and 53% of the two omega-3 groups compared with 39% on placebo. These group differences were not large enough on their own to be statistically conclusive. The statistically significant finding was person by person: telomeres grew longer as the ratio fell, about 20 base pairs for each one-point improvement. People whose telomeres lengthened were also nearly twice as likely to have lowered their IL-6, an inflammatory messenger (61% vs 34%). Because the volunteers' starting ratio (about 11 to 1) was already better than typical (about 14 to 1), the researchers wrote that people with poorer diets would likely have benefited more, and that the findings may underestimate the effect for the general population. The higher dose was six capsules a day, each with 347.5 mg of EPA. The National Institutes of Health funded the research.
Why the formula matters. When I formulated OmegaBrite 7010MD, I chose a 7:1 ratio of EPA to DHA on purpose: 70% EPA, 10% DHA. EPA plays the stronger role in the body's inflammatory response. That high-EPA 7:1 ratio is why researchers chose it for their study.
The cellular aging study. In a pre-planned analysis of the same trial by the Ohio State and UCSF team (the capsules were OmegaBrite), 138 adults with an average age of 51 gave a five-minute speech and did mental math in front of judges, before and after four months of supplementation. Afterward, the placebo group's telomerase fell 24% between 45 and 120 minutes after the stress, and their anti-inflammatory messenger IL-10 fell 26%. Both omega-3 groups were protected from those drops. The 2.5 g/day group also had 19% lower overall cortisol and 33% lower IL-6 throughout the test. The researchers described "a profile of stress resilience" and noted that the findings are preliminary and need to be repeated.
Biological-age clocks. In the DO-HEALTH trial, 777 older adults in Europe took vitamin D, omega-3 (1 gram a day), a home exercise program, or combinations, for three years. Omega-3 alone slowed three of four DNA-methylation "aging clocks," by roughly three months, and all three habits together had additive benefits on one clock. This trial did not use OmegaBrite.
P.S. Tonight, check the oils in your kitchen. If corn, sunflower or safflower oil is your go-to, that's an easy first step toward a better omega balance.
About the author: Carol Locke, M.D., is a physician, the founder of OmegaBrite and the formulator of OmegaBrite 7010MD.
Frequently asked questions
Can omega-3 lengthen telomeres?
The evidence is early but encouraging. In the Ohio State trial, telomeres lengthened on average in the omega-3 groups and shortened on placebo, and the more a person's omega-6 to omega-3 ratio improved, the more their telomeres grew. The group difference alone was not statistically conclusive; the person-by-person link was.
What is biological age?
It's an estimate of how old your body is behaving, measured from patterns on your DNA, as opposed to your age in years.
How much omega-3 did the aging studies use?
The Ohio State trial used 1.25 or 2.5 grams a day. The DO-HEALTH trial used 1 gram a day.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
References
- Kiecolt-Glaser JK, Epel ES, Belury MA, et al. Omega-3 fatty acids, oxidative stress, and leukocyte telomere length: a randomized controlled trial. Brain Behav Immun. 2013;28:16-24. doi:10.1016/j.bbi.2012.09.004
- Madison AA, Belury MA, Andridge R, et al. Omega-3 supplementation and stress reactivity of cellular aging biomarkers: an ancillary substudy of a randomized, controlled trial in midlife adults. Mol Psychiatry. 2021;26(7):3034-3042. doi:10.1038/s41380-021-01077-2
- Bischoff-Ferrari HA, Gängler S, Wieczorek M, et al. Individual and additive effects of vitamin D, omega-3 and exercise on DNA methylation clocks of biological aging in older adults from the DO-HEALTH trial. Nat Aging. 2025;5(3):376-385. doi:10.1038/s43587-024-00793-y
- Kiecolt-Glaser JK, Belury MA, Andridge R, Malarkey WB, Glaser R. Omega-3 supplementation lowers inflammation and anxiety in medical students: a randomized controlled trial. Brain Behav Immun. 2011;25(8):1725-1734. doi:10.1016/j.bbi.2011.07.229
- Kiecolt-Glaser JK, Preacher KJ, MacCallum RC, Atkinson C, Malarkey WB, Glaser R. Chronic stress and age-related increases in the proinflammatory cytokine IL-6. Proc Natl Acad Sci U S A. 2003;100(15):9090-9095. doi:10.1073/pnas.1531903100
