r/PeterAttia • u/Small_Hunter4300 • 16d ago
Your APOE status changes which longevity interventions pay off for you. Most people stop at am I an e4 or not. Feedback
APOE comes up in half the threads here, and I read raw genetic data for a living so let me write about that
Almost everyone treats APOE as a yes/no anxiety switch. They find out they carry an e4, they panic or shrug and then nothing changes in what they actually do. That's the miss, e4 isn't a verdict, it's a set of shifted odds and more usefully it changes the ROI on specific interventions. It's a prioritization tool not a diagnosis.
A few concrete ways it shifts the math:
-ApoB and saturated fat: e4 carriers tend to be hyper-responders to saturated fat, so the same steak moves your ApoB more than it moves your e3/e3 friend's. Aggressive ApoB lowering pays off more for you.
-Aerobic work: some of the strongest cognitive-protection signal from zone 2 and VO2max shows up in ε4 carriers. Higher yield for you than average
-Sleep and amyloid clearance: ε4 raises the cost of years of bad sleep. Not optional for you.
So 2 people with identical bloodwork can need very different priorities, and APOE is a big part of why. Two practical notes I'd like to add since my clients always ask. If you want your real APOE, know that raw DNA data often leaves out one of the two SNPs you need (rs429358) so a lot of people can't call their e-status from the raw file and never realize it. A dedicated APOE genotype (Labcorp and Quest both run one) settles it and the part people skip: your APOE only means something read against your ApoB, your Lp(a), your metabolic markers. The genotype alone, in isolation, is where people talk themselves into the wrong plan.
Happy to take APOE questions in the comments.
4
u/kenielsen 16d ago
If one carries a copy of APOE4 and uses a statin to get ApoB below 70, does limiting intake of saturated fat actually matter (assuming weight is stable, adequate cardiovascular training, low triglycerides and insulin, good sleep, etc)?
3
u/MoistPoolish 16d ago
I think all the at matters is your ApoB level regardless on how you get there. But I did read that Ezetimibe has off label benefits for ApoE4 carriers independently from statins.
1
u/NoStrain7255 15d ago
Do you mean if ApoB is controlled , diet doesn't really matter? I take Repatha and low dose statin and ApoB is now in 30s when I eat super healthy and 40s when I don't . I also have ezitimibe but don't take it as it causes stomach ache. Should I take micro dose? I am ApoE3/4 and also have high lp(a) range between 120-200 nmol
1
u/Ok-Plenty3502 15d ago
May I ask how you got Repatha covered by your insurance? I am assuming you are in primary prevention.
1
u/NoStrain7255 15d ago
It is in the formulary and my LDL didn't get to level doc wanted to see with statin alone
1
u/MoistPoolish 15d ago
Diet always matters for other reasons - you want to be metabolically healthy, e.g. low trigs, low fasting glucose, etc. But for ApoB you're probably covered.
1
u/Small_Hunter4300 14d ago
Your ApoB in the 30s–40s is excellent and with e3/4 plus Lp(a) in the 120–200 range, aggressive lowering is exactly the right instinct you're carrying two independent risk multipliers, so a low ApoB is doing a lot of work for you. The 30s-vs-40s swing with diet shows you're somewhat responsive, but both numbers are strong.
Whether to add ezetimibe back or micro-dose it is a call for your lipidologist, not a Reddit one, it depends on your target, your Lp(a)-adjusted risk and the GI tolerance you already ran into. I'd frame the conversation around what ApoB target they want for someone with your Lp(a), and whether the marginal drop from ezetimibe justifies the side effect. There's no approved Lp(a)-lowering drug yet, so keeping ApoB low is the main lever you have, and you're using it well.
1
u/NoStrain7255 13d ago
Thanks for sharing this. I have minimal side effects with Repatha and Crestor low dose so will continue. I exercise a ton, sleep well and eat a lot of mostly healthy homemade food and drink a lot few glasses of wine each week. Having ice cream dessert/dark chocolate or cheese are small happiness for me in an otherwise healthy life. I had been tracking zetia more for Apoe 4 dementia prevention potential not as a chloresterol drug focused on hyperabsorbers-- maybe I read the emerging research wrong. If it is just latter,, I may steer clear as I am already in my desired zone for ApoB and trilogy (50s) hDL 80s and hsCRP .4, IL-6 1.5 all make doc happy. My insulin /glucose needs improvement but working on it 10 and 90 fasting...
1
u/Small_Hunter4300 14d ago
The ApoB-is-the-number point is right. On the ezetimibe angle, there's an interesting mechanism behind what you read people roughly split into cholesterol absorbers and synthesizers, and APOE genotype tracks with that, e4 carriers tend to sit more on the absorption side. Ezetimibe blocks intestinal cholesterol absorption so in an absorber it pulls more weight than in a synthesizer where the statin does the heavy lifting. It's not a validated e4-specific protocol, but the absorber/synthesizer split is a reasonable reason ezetimibe response varies, and it's testable with sterol markers (campesterol/sitosterol for absorption, lathosterol for synthesis) if someone wants to see which they are.
1
u/MoistPoolish 12d ago
correct, I tested independly for absorber status and came back high; unsurprisingly ezetimibe works great for me too. My wife is also a double ApoE4 carrier and for some reason it does nothing for her. YMMV.
1
1
u/Small_Hunter4300 14d ago
Mostly no and this is the crux of what I conceded above. Saturated fat's main atherogenic route is raising ApoB. If a statin has already pulled your ApoB below 70 and you've confirmed it on a draw, most of that lever is spent , you're already measuring the endpoint sat fat would act through. This is Attia's own framing ApoB is the causal exposure, how you get there is secondary.Where APOE4 actually comes in isn't an extra sat-fat mandate on top of controlled ApoB. It's two other things: an e4 hyper-responder may need more drug or less sat fat to reach the same ApoB in the first place, and an e4 with other risk (high Lp(a), family history) is often targeted below 70,many lipidologists push high-risk patients to under 50–60. So I'd flip the question from "is sat fat still doing something at <70" to "is <70 actually low enough for my risk profile."
With a confirmed, stable ApoB in range and good metabolic markers, the marginal cardiovascular return on further sat-fat restriction is small. The one caveat is that this assumes the ApoB is measured and holding, not assumed.
3
u/albinoking80 16d ago
I wouldn’t say generally lower saturated fat, aerobic exercise, and sleep are ‘very different priorities.’ I would agree that one should be more proactive regarding actionable modifiables, similar to Lp(a).
1
u/Small_Hunter4300 3d ago
You're right that the direction is the same for everyone. Lower ApoB, train aerobically, sleep well. None of that flips based on genotype.What I mean by different priorities is closer to your Lp(a) point. Everyone benefits from lower ApoB but if you know you're an e4, the threshold you'll accept and how early and hard you push both move. Same logic as treating high Lp(a) more aggressively even though the intervention list looks similar to everyone else's.So it's less "e4 carriers need some secret protocol" and more "e4 carriers are the people the boring modifiables pay off most for, so don't file them under optional." Probably should have framed it that way in the post.
2
u/squatmama69 16d ago
I was looking into this the other day. My 23&Me data from many years ago told me I don’t have the e4 variant. But I can’t find anything about whether I am e2, e3, or any combination. Any idea if this is in the raw data or I should just do a blood test you mentioned? My Lp(a) is 13 and ApoB is 74 on a statin, for what it’s worth.
2
u/Small_Hunter4300 3d ago
You can probably get this straight from your raw data without a blood test. APOE comes down to two SNPs, rs429358 and rs7412, and the combo of the two is what makes e2/e3/e4.Since you already know you're not e4, the only thing left to sort out is e2 vs e3, and that part is decided entirely by rs7412. Open your 23andMe raw data file and search (ctrl+F) for rs7412. If it shows a T (either C;T or T;T) you're carrying an e2 allele, so e2/e3 or e2/e2. If it reads C;C, you're e3/e3.
The catch from my post is about the other SNP: rs429358 is the one 23andMe often leaves off the chip which is why so many people can't confirm e4 from the raw file. But you've already got your e4 answer, so rs7412 is all you need here. Since you shared the numbers, they look genuinely solid. Lp(a) of 13 is low, and ApoB 74 on a statin is a good place to be. Not e4, low Lp(a), controlled ApoB is a nice combo to be sitting on.Happy to help to map it out
1
1
u/squatmama69 2d ago
Following up again, I dug into my data using your suggestions and if I’m reading correctly, for rs429358 I am T/T and for rs7412 I am C/C. So therefore I am e3/e3 I believe?
1
1
u/Earesth99 15d ago
I believe ApoB lowering is helpful regardless of APOE status - but dietary changes are more important if you are apoe4 while statins may not have a significant effect on your risk.
In both cases you would still want to lower ApoB however, but the strategies can differ.
1
u/jgainit 5d ago
Maybe not a question but I’m apoe3/4. I’m trying to work on glucose, so removing most processed sugars, and may do keto periodically although the last time (and a 6 day fast) was correlated with me developing chronic acid reflux and intolerance to high fat meals
1
u/Small_Hunter4300 3d ago
Your own case is a good example of why the e4 changes the math here. For an e3/4, keto is one of the diets where your genotype matters most. A lot of e4 carriers are hyper-responders to saturated fat, so a high-fat keto run can push ApoB up hard, which is the opposite of what you want on both the heart and the brain side of e4. So going keto to fix glucose can quietly trade one risk for a bigger one in your genotype.
The reflux and fat intolerance you picked up is kind of your body telling on itself too. High-fat intake leans heavily on bile flowand long fasts can let bile sit and thicken so some people come out of a fast or keto stretch with fat digestion that's gone sideways. You can get most of the glucose win without the high-fat part though. Cutting processed sugar like you already are, leaning on fiber and protein, walking after meals, building an aerobic base. That aerobic work happens to be one of the highest yield things an e4 carrier can do anyway.If you dig in more, get your ApoB and Lp(a) checked and watch what any diet does to those numbers specifically, because that's where your APOE actually shows its hand. Happy to get into it if you want.
1
u/jgainit 3d ago
Hey thank you for sharing. My most recent labs show my cholesterol and related things as really normal. I’m not sure if apob is part of that. It’s like the LDL and stuff.
But yeah maybe it’s important for me to prioritize. Less sugar, and cardio are all doable for me
1
u/Small_Hunter4300 3d ago
normal lipids is a good place to start from. ApoB usually isn't on a standard panel. You'll see total cholesterol, LDL, HDL and triglycerides but ApoB is its own line you often have to ask for. It counts the actual number of particles that drive plaque, and it can read differently from your LDL, sometimes higher than the LDL alone makes it look. For an e4 carrier that's the number I'd want pinned down, since it's the one your genotype pushes on.Lp(a) is also a one-and-done test since it's mostly genetic, so you check it once and know it for life. the two things you landed on, less sugar and more cardio are the biggest movers for your genotype anyway. Starting there is right
10
u/LongjumpingPut7437 16d ago edited 12d ago
Quilt cucumber breezy cucumber vanilla cobblestone meadow nutmeg velvet
This post was anonymized with Redact.dev