What Happens to Your Blood When You Retire from Alcohol: My 8-Month Lab Results

What you need to know

Retiring from alcohol produced measurable changes in my blood within four months. No diet changes. No new medication. No program. My LDL cholesterol dropped from 212 to 142, a 29% reduction. My inflammation marker dropped from 2.9 to 1.6. My liver enzymes normalized. I eliminated two daily medications I had been on for years. These are my actual lab numbers, not estimates.

I want to show you something most people in this space won't show you.

Not a before-and-after photo. Not a story about how I feel. Numbers. Actual lab numbers from before I retired from alcohol and eight months after.

I retired from alcohol on April 16, 2025. I'm a 51-year-old enterprise sales executive. I spent 30 years as a social drinker. Never an alcoholic by any label I was willing to accept, but drinking three to four nights a week for the last decade. Happy hours. Breweries with my wife on Sundays. Wine with dinner. The kind of drinking that looks completely normal from the outside.

I got labs done in December 2024, four months before I retired. Then again in August 2025, four months after.

Here's what changed.

The lab data

Four months. One change. No new diet. No new supplements. No weight loss program. I retired from alcohol and the body started doing what bodies do when you stop poisoning them.

What each number means

LDL dropped 29%, from 212 to 142

LDL is the one most people know about. Mine was elevated at 212, high enough that my doctor had mentioned statins more than once. I wasn't ready to add a third medication, so I kept pushing it off.

Four months after retiring from alcohol, it was 142. Still not perfect, but trending in the right direction without a single pill. Alcohol raises LDL through multiple pathways. It increases the liver's production of VLDL particles, which convert to LDL. It also impairs the liver's ability to clear LDL from the bloodstream. Remove the alcohol and both of those mechanisms improve.

Inflammation cut nearly in half, from 2.9 to 1.6

hs-CRP measures systemic inflammation. Anything above 3.0 is considered high cardiovascular risk. I was at 2.9, right at the edge. Eight months later I'm at 1.6, which is in the low-risk range.

Alcohol is a direct inflammatory agent. Every drink triggers an inflammatory response. Do that four nights a week for ten years and it adds up. My hs-CRP dropping 45% in four months without any other changes tells the whole story.

Two medications eliminated

I had been on amlodipine for blood pressure since my mid-30s. I told myself it was hereditary. It probably was, partly. But alcohol raises blood pressure through multiple mechanisms. It activates the sympathetic nervous system, disrupts sleep (which raises blood pressure on its own), and causes weight gain that compounds the problem.

I had also been on omeprazole for acid reflux for years. My esophagus was inflamed enough that I ended up in the emergency room in 2020. They had to put me under and have an ENT surgeon open my throat to dislodge a piece of steak stuck in scarring from chronic reflux. I kept drinking after that.

As of February 2026, I'm off both medications. Blood pressure is better than it was on the medication. No more acid reflux.

Liver enzymes normalized

AST dropped from 20 to 14. ALT dropped from 26 to 20. Both were technically within normal range before, but at the high end. Now they're comfortably in range. The liver is remarkably good at recovering when you give it the chance.

The HDL drop

HDL went from 50 to 38. That's the one number that moved in the wrong direction.

I'm not going to hide it. HDL is the good cholesterol and mine dropped. This is actually a documented phenomenon after stopping alcohol. Alcohol artificially raises HDL, so when you stop, it drops. The research suggests this is temporary and that long-term sobriety tends to bring HDL back up. I'll have new labs later this year.

The net cardiovascular picture is still dramatically better. LDL down 29%, inflammation nearly cut in half, two medications eliminated. The HDL drop is worth monitoring, not worth worrying about.

What I didn't change

This is the part worth emphasizing.

I didn't start a new diet. I didn't join a program. I didn't add supplements. I actually removed 25 of them I had been taking to mask the effects of drinking. I didn't hire a personal trainer or change my workout routine. I've been lifting since I was 15 and that didn't change.

The only variable that changed was alcohol.

I also lost 14 pounds in the first four months. Not from dieting. From eliminating the caloric load of regular drinking, reducing the inflammation that causes water retention and puffiness, and sleeping better, which improved my body composition on its own.

How long did it take?

The meaningful changes showed up within four months. That's not a long time.

Sleep took longer, close to a full year to fully stabilize. The first few months after retiring were rough. The body is used to using alcohol to get to sleep and it takes time to relearn how to do it naturally. If you're expecting instant sleep improvement, prepare for a more gradual arc.

Cognitively, the shift was faster than I expected. Within weeks I was sharper on strategy calls. More patient. Able to think three moves ahead instead of just reacting. My VP of sales started calling nightly to talk through deals. My management team noticed before I said anything.

Why I'm sharing this

Most sobriety content is built around emotion. Rock bottoms. Dramatic interventions. Loss.

I didn't have any of that. I was a high-functioning professional who drank socially and spent six years quietly thinking about what life might look like without alcohol before I actually made the decision. No crisis. No label. A deliberate retirement on a specific date, April 16, 2025.

The lab data is what I wish someone had shown me during those six years. Not to scare me. To give me something concrete to hold onto. To make the case in a language I understand: numbers, outcomes, data.

If you've been thinking about this for a while and you're not sure whether your drinking is actually affecting your health, it probably is. Not dramatically. Quietly. The way a slow leak drains a tire.

The good news is the body responds fast when you give it the chance.

Frequently asked questions

How long after quitting alcohol do cholesterol levels improve?
Meaningful improvements in LDL and total cholesterol can appear within 4 to 8 weeks of stopping alcohol. Four months after retiring from alcohol, my LDL dropped from 212 to 142, a 29% reduction, without any dietary changes or medication.

Does quitting alcohol reduce inflammation?
Yes. Alcohol is a direct inflammatory agent. Regular drinking elevates hs-CRP, a marker of systemic inflammation. My hs-CRP dropped from 2.9 to 1.6, nearly half, within four months of retiring from alcohol and without any other lifestyle changes.

Can quitting alcohol lower blood pressure enough to stop medication?
In some cases, yes. I was on amlodipine for blood pressure for years and eliminated it by February 2026, ten months after retiring from alcohol. My blood pressure is now better without the medication than it was on it. Results vary and you should work with your doctor before stopping any medication.

What happens to HDL when you quit drinking?
HDL often drops temporarily after stopping alcohol because alcohol artificially raises it. My HDL dropped from 50 to 38 in the first four months. Research suggests HDL tends to recover with sustained sobriety. The overall cardiovascular picture, with LDL down 29% and inflammation nearly halved, is still dramatically improved.

Does quitting alcohol help acid reflux?
Alcohol is a major trigger for acid reflux and causes esophageal inflammation over time. After retiring from alcohol, I eliminated omeprazole, a proton pump inhibitor I had been on for years, by February 2026. My acid reflux resolved without medication.

How much do you have to drink for alcohol to affect your bloodwork?
You don't have to be a heavy drinker. I was a social drinker, three to four nights a week, consistent but not extreme. My bloodwork still showed the effects: elevated LDL, borderline inflammation, high-end-of-normal liver enzymes, hypertension requiring medication. Grey area drinking produces real physiological effects, just more slowly.

The framework behind the decision

I didn't retire from alcohol because of a health crisis. I retired because I spent six years mentally preparing for a different life and April 16, 2025 was the date I chose.

That process, six years of quiet imagination before a deliberate, dated decision, is what Prepared Sobriety is built around. Not willpower. Not rock bottoms. Mental preparation that makes the decision feel inevitable rather than forced.

If you've been thinking about this for months or years without acting, that's not weakness. That's preparation. The framework exists to help you turn that preparation into a decision.

Connect with me here if you want to talk through where you are in the process.

Colin Casillas retired from alcohol on April 16, 2025. He is a career enterprise sales and GTM executive based in Boise, Idaho, and the founder of Prepared Sobriety, a coaching framework for high-earning professionals who are ready to retire from alcohol on their own terms. This post reflects his personal health outcomes and is not medical advice. Work with your doctor before making changes to any medication.