That’s a very reasonable concern. Alendronate is notoriously finicky—your body absorbs only a tiny fraction of it even under ideal conditions, and small deviations can reduce that further.
What matters most is how you take it. The absorption problem isn’t usually about your gut being incapable—it’s that the drug binds very easily to food, minerals, and even beverages, which prevents it from getting into your bloodstream.
The key points, stated plainly:
Take it first thing in the morning, with a full glass of plain water only. Not coffee, not tea, not mineral water—just plain water. Coffee alone can significantly reduce absorption, and minerals (like calcium, magnesium, iron) can almost completely block it.
Then wait at least 30 minutes before eating or drinking anything else. Longer is actually a bit better if it fits your routine. And stay upright during that time—this is less about absorption and more about preventing irritation to the esophagus, which this drug can cause.
Calcium supplements, antacids, or even calcium-rich foods should be kept well away from that dose—ideally several hours later.
Now, the practical question: how worried should you be?
If you are following those rules reasonably well, you are almost
certainly getting enough effect. Alendronate was designed with its poor
absorption in mind—the prescribed dose already assumes that only a small
percentage gets through.
Where people run into trouble is things like:
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taking it with coffee out of habit
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eating breakfast immediately afterward
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taking it alongside supplements
If none of those apply, you’re probably fine.
One subtle point, given your situation: high-dose antihistamines like Cetirizine don’t interfere with alendronate absorption, so that’s not a concern.
If you want to tighten things further, you might consider spacing it like this: take the tablet, wait 45–60 minutes, then have your coffee and breakfast. That gives you a bit of extra margin.
If you’re still uneasy, the real-world check is your bone density over time (DEXA scans). If that’s stable or improving, the drug is doing its job regardless of theoretical absorption limits.
If you like, tell me exactly how you’re currently taking it—timing, coffee, supplements—and I can sanity-check whether anything in your routine is likely to be interfering.
Yes—this is exactly where real life collides with “textbook instructions.” You’re not doing anything unusual; you’ve just run into two rigid constraints at once: a drug that demands a very specific routine, and a body that demands its coffee.
Let me separate the issues, because they have different solutions.
First, the “Sunday” problem:
There is nothing pharmacologically sacred about Sunday. Alendronate is a long-acting drug that binds to bone and works over weeks and months. What matters is regular weekly dosing, not the calendar label.
If your schedule is fluid, it’s actually better to tie it to an event rather than a day. For example:
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“the first morning after I change the bedsheets”
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“every 7th morning after the last dose” (set a simple reminder)
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or even a phone alarm that simply says “bone pill” every 7 days
If you miss a dose, the usual medical advice is: take it the next morning you remember, then go back to your regular spacing. No need to double up.
Now the harder part—the coffee.
I’ll be blunt: taking alendronate with coffee will significantly reduce absorption. That’s not theoretical—it’s well established. So we don’t want to do that.
But your situation matters more than the ideal rule. If skipping coffee makes you feel unsteady and headachy, that’s not trivial—especially given your fall risk. I would not push you into a situation where you’re dizzy just to optimize absorption by a few percentage points.
So the goal becomes: get some drug in, safely, without making your mornings miserable or risky.
Here are three workable strategies, in order of practicality:
1. “Pill first, coffee shortly after” (compromise approach)
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Take the tablet with a full glass of water when you wake up
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Wait as long as you realistically can—even 15–20 minutes helps
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Then have your coffee
Is this perfect? No.
Is it likely good enough? Very often, yes. You’ll absorb less than ideal, but still usually enough for clinical effect.
2. “Bedside dosing” (often the best workaround)
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Keep the tablet and water by your bed
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When you first wake up (even before fully getting up), take it
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Stay upright in bed or sitting for 30 minutes
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Then proceed to coffee as usual
This lets you “start the clock” before your caffeine withdrawal really kicks in.
3. Consider a different formulation or drug (if this keeps being a battle)
There are alternatives:
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Monthly oral bisphosphonates (less frequent hassle)
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Yearly IV options like Zoledronic acid
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Other classes entirely, depending on your situation
Given your environment and routines, an annual infusion might actually simplify your life enormously—no weekly wrestling match with coffee.
One thing I would not recommend:
Trying to power through without coffee and risking instability. With
your known tendency to fall, that trade-off is not worth it.
If I had to give you a practical bottom line:
Take it with water as soon as you wake, wait what you comfortably can,
then have your coffee—and don’t worry excessively about imperfect
absorption. Consistency over months matters far more than perfect
conditions on a given morning.
If you want, we can fine-tune this around your exact morning routine and how quickly that headache comes on—I suspect we can shave this into something that feels almost effortless.
Short answer: no, you should not take a second tablet midweek—that’s not a safe workaround.
With Alendronate, more is not better. The drug has a long residence time in bone, and the weekly dose is already calibrated with its poor absorption in mind. Taking an extra tablet doesn’t neatly “make up” for reduced absorption—it mainly increases exposure of your esophagus and stomach.
The real risks of doubling up are:
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irritation or ulceration of the esophagus (this is the big one)
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stomach upset
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in rare cases, more systemic side effects
It’s not like a vitamin where you can casually take a bit extra to compensate. The safety margin here is about proper spacing, not stacking doses.
If a dose is missed or probably poorly absorbed, the standard approach is simple:
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Do not take two doses in the same week
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Just take the next scheduled dose normally (or take one the next morning you remember, then resume weekly spacing)
What you’re really trying to solve is imperfect absorption—and the safer way to handle that is behavioral (timing with coffee) or structural (changing the regimen), not by increasing dose frequency.
Given your situation, I’d still rank your options like this:
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Best practical: take it on waking, wait what you can, then coffee
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Best “set and forget”: consider something like yearly Zoledronic acid if your doctor agrees
If you’re uneasy that you’re “not getting enough,” the honest way to check is not by adjusting doses yourself—it’s by watching your bone density over time. If that’s stable, then whatever absorption you’re getting is sufficient.
And between us, a slightly imperfectly absorbed dose taken consistently is far better than a perfectly taken dose that gets skipped or doubled unpredictably.
That’s actually a very telling “bone density test,” even if it’s not the official one. Multiple serious falls without fractures usually means your bones are doing their job quite well right now.
Your doctor’s thinking, though, is also sound—just aimed further down the road. Alendronate isn’t really about fixing a current problem in your case; it’s about banking protection for the decade ahead, when bone loss can accelerate and fractures become much more consequential.
There are three separate threads here, and it’s worth keeping them distinct.
First, your baseline. A lifetime of good calcium intake (your “milk addict” phase) likely helped you build solid peak bone mass. That’s a real advantage, and you’re benefiting from it now.
Second, aging. Even with a strong starting point, bone remodeling shifts with age—more breakdown, less rebuilding. That’s what your doctor is trying to get ahead of. The medication essentially slows that loss.
Third—and this is the part I think matters most for you—risk trade-offs. You’ve already told me you have a tendency to fall. In older adults, fracture risk is as much about falling as it is about bone strength. A perfectly dense femur still breaks if the mechanics are wrong.
So here’s where I’ll gently push back a bit—not against the medication, but against worrying too much about perfect absorption:
Even if your alendronate absorption is a bit suboptimal because of coffee, you are still likely getting some protective effect. And in your particular case, that incremental benefit probably matters less than:
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staying steady on your feet
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not feeling faint or headachy in the morning
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maintaining your usual routine
In other words, avoiding a fall this week is more valuable than optimizing a milligram absorbed this Sunday.
That doesn’t make the drug unimportant—it just puts it in context.
If I were in your position, I’d think of it this way:
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Take it reasonably correctly (water first, delay coffee as you comfortably can)
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Don’t chase perfection
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Don’t double doses
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Let time—and, if available, an occasional scan—tell you if it’s doing enough
And there’s one more quiet point your doctor may be considering: drugs like alendronate have a carryover effect. They bind to bone and keep working even after you stop. So even a few years of reasonably consistent use can provide lasting benefit into those “very likely nineties.”
If the weekly ritual continues to feel like a nuisance or a battle with your morning coffee, it would be entirely reasonable to have a calm discussion with your doctor about alternatives like Zoledronic acid—especially given your otherwise stable situation.
But no—nothing in what you’ve described suggests you’re mishandling this in a dangerous way. If anything, you’re thinking about it more carefully than most people do.
Perfect, that’s exactly the kind of practical hack that makes weekly medications reliable. You don’t need anything fancy—just something that catches your attention reliably Saturday. Here are a few ideas, from simple to slightly more techy:
1. Phone alarms / reminders
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Set a recurring alarm for Saturday morning that says: “Tomorrow: bone pill.”
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If your phone supports it, use a special tone or vibration that you associate only with medication. That way, even half-asleep you’ll notice it.
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You can also use calendar apps (Google Calendar, iOS Calendar) with a pop-up reminder Saturday, maybe even a second one for Sunday morning as backup.
2. Physical cues
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Place the pill somewhere unusual on Saturday—next to your coffee jar, or your toothbrush, or bedside water glass—so you see it and remember.
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Use a small sticky note on your bedside table or door: “Bone pill tomorrow.”
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Some people use a small jar with seven beads or tokens, moving one each day; when you get to Saturday, it triggers: “Tomorrow.”
3. Smart assistants
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If you have Alexa, Google Home, or a phone assistant, you can set a recurring weekly reminder Saturday with a voice notification: “Don’t forget: bone pill tomorrow.”
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These can even repeat every few minutes until you dismiss them.
4. Combined system (most failsafe)
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Saturday: phone reminder + sticky note
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Sunday morning: alarm to actually take the pill
This way, your brain gets a heads-up the day before and another nudge at the moment you need to act.
If you want, I can draft a specific Saturday “alert message” for your phone or sticky note that’s short, funny, and impossible to ignore—something that makes it almost impossible to miss Sunday. Do you want me to do that?
Got it—that’s a great idea: a weekly email is perfect because it doesn’t rely on your memory at all, and you can check it any time Saturday. You can set this up a few ways depending on how hands-on you want to be. Here are the most practical approaches:
1. Use your email provider’s scheduling tools
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Gmail / Google Workspace:
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Compose an email to yourself with the subject line: “Tomorrow: bone pill.”
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In Gmail, click the small arrow next to the Send button → Schedule send → pick every Saturday. (Gmail lets you schedule, but for recurring weekly sends you may need a free add-on like Google Scripts—more on that below.)
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Outlook:
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Create a new email to yourself.
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Look for Delay Delivery → pick a Saturday date/time.
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To make it weekly, you can create a recurring appointment in the calendar that triggers an email. Outlook handles recurring emails natively better than Gmail.
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2. Use an automation service (simplest long-term)
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IFTTT, Zapier, or Make (formerly Integromat) can send a weekly email to yourself.
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Example in IFTTT:
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Create a new applet: “Every Saturday at 9:00 AM → send an email to me.”
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Put the text: “Tomorrow: take your bone pill first thing in the morning with water.”
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You can even have it repeat every Saturday indefinitely, so you never have to reset it.
3. DIY with a small script (if you’re comfortable with a tiny bit of programming)
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For example, using Google Apps Script, you can write a short script that emails you every Saturday:
function sendBonePillReminder() {
MailApp.sendEmail("your.email@example.com",
"Tomorrow: bone pill",
"Don't forget to take your alendronate tomorrow morning with a full glass of water before coffee.");
}
// Set a trigger in Apps Script: Time-driven → Every Saturday → 9:00 AM
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Once the trigger is set, it will keep emailing you weekly automatically.
If you like, I can write the exact Google Apps Script with ready-to-paste instructions that will send you a perfect weekly reminder every Saturday, no fiddling required. It takes maybe 5 minutes to set up.
Do you want me to do that?
Yes—unfortunately, in that scenario, absorption is going to be very low. Here’s why:
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Alendronate binds to minerals and proteins in food and beverages. Your coffee, nutrients (likely containing calcium, magnesium, or iron), and fried chicken all create a “blocking environment.”
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Even a tiny amount of food in your stomach can reduce absorption dramatically. Coffee itself alone reduces it, and when combined with other solids and supplements, the effect is additive.
So, in practical terms: for that morning, you likely got very little benefit from the dose.
What to do now:
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Do not take a second pill today or later in the week. Doubling up can irritate your esophagus and stomach and is not recommended.
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Simply take your next weekly dose at the usual time, following the proper empty-stomach routine. That is the safest and most effective approach.
Think of the missed absorption as a “small gap in protection,” not catastrophic. The drug has a long-term effect on your bones, and one imperfect week won’t undo years of benefit.
If you want, I can suggest a few ways to recover some benefit on mornings like this without risking esophagus irritation or side effects. It’s more about tweaking the routine than doubling the dose. Do you want me to do that?
Okay—here’s the practical approach. We can’t safely “make up” a dose midweek, but there are ways to recover some absorption or at least reduce the impact of a missed or poorly absorbed dose:
1. Accept the imperfect dose, then reinforce the next one
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Your bones store alendronate for weeks, so the effect is cumulative. One badly absorbed dose is just a tiny blip in a long timeline.
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Focus on making your next weekly dose as close to ideal as possible: empty stomach, water only, upright, then coffee after 30–45 minutes.
2. Consider adjusting the timing slightly when you forget
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If you wake up and already had coffee/food, wait as long as you can (2–3 hours) until your stomach is mostly empty, then take the pill with water only.
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Absorption won’t be perfect, but some will get through.
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Never double the weekly dose—just spread it out and let the next scheduled dose remain as usual.
3. Optimize other bone support on “missed absorption” days
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Make sure your calcium and vitamin D intake is good, but separate from the alendronate dose. For example, if your supplement is usually morning, take it at lunch or dinner instead.
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Continue your normal physical activity and fall-prevention measures—these matter more than a single poorly absorbed tablet.
4. Use reminders to prevent this in the future
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A Saturday email or phone alert, as we discussed, is ideal. That way, you can grab the pill before coffee and food, avoiding these morning conflicts.
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Even a sticky note or visual cue by your coffee jar helps.
Bottom line: a day like today isn’t dangerous; just reset, don’t double up, and make the next dose count. Your bones are already well built and strong, and the drug’s long-term effect buffers occasional imperfect absorption.
If you want, I can suggest a morning routine that lets you take the pill and still get your coffee with almost no headache, so this never happens again. Do you want me to lay that out?
Ah, I see—you’re asking whether the esophagus irritation is the only reason not to take a midweek alendronate. No—it’s the main one, but not the only reason. Here’s the fuller picture:
1. Esophageal and gastric irritation – the risk you already know.
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Alendronate can cause inflammation or even ulcers in the esophagus and stomach if taken too close together or improperly.
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Using a lot of water and staying upright mitigates risk, but the risk still exists, which is why standard guidelines caution against doubling up midweek.
2. Dosing schedule is optimized for bone uptake
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The weekly dose is based on the expected fraction that actually gets absorbed and the drug’s long half-life in bone.
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Taking a second pill too soon doesn’t “make up” for poor absorption earlier—it doesn’t proportionally increase the drug’s effect.
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Bones only take in so much at a time; more frequent dosing hasn’t been shown to improve outcomes in standard patients.
3. Long-term safety and monitoring
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Overdosing—even unintentionally—could increase rare systemic side effects, like atypical femur fractures or jaw osteonecrosis, though these are mostly associated with long-term high exposure.
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Guidelines are conservative because alendronate stays in bone for years. There’s no need to chase a small, one-time absorption miss by increasing short-term exposure.
4. Practical efficacy
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One midweek “make-up” won’t undo months or years of therapy if your usual weekly dose is taken properly.
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You’re far better off focusing on getting the next weekly dose right than trying to recover this one.
So, in short: the esophagus risk is the most obvious reason, but even if you could safely swallow with plenty of water, midweek dosing doesn’t reliably increase bone benefit and isn’t part of the regimen tested in clinical studies. It’s really about the pharmacology and safety, not just the mechanical swallowing issue.
If you want, I can outline a very practical “recovery plan” for a poorly absorbed weekly dose that doesn’t involve breaking any rules, so you get as much effect as possible safely. Do you want me to do that?
That’s an interesting point. Swallowing phlegm itself doesn’t interfere with alendronate absorption in any meaningful way. Here’s why:
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Alendronate’s absorption is mostly blocked by food, minerals, and protein in the stomach, not by a small amount of mucus from your airways.
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The key issue is the timing relative to meals, supplements, and beverages like coffee or milk, because those contain calcium, magnesium, or other minerals that bind the drug.
So, your usual habit of swallowing phlegm is not a concern for absorption, and you don’t need to change anything for that reason.
The only minor consideration is comfort: if you tend to swallow a lot of phlegm at the same time as the pill with water, it might make you feel a little “full” and potentially slow gastric emptying very slightly—but in practice, that effect is negligible compared with the bigger factors (coffee, food, supplements).
Basically, you can ignore it for alendronate. The “big blockers” remain coffee, calcium/mineral supplements, and solid food in the stomach.
If you like, I can give a step-by-step “best morning routine” that maximizes absorption while letting you have your coffee, your supplements later, and still keep your usual habits like swallowing phlegm. It’s surprisingly doable.
Ha! That’s actually a fun little detail—but yes, it’s completely unimportant for alendronate absorption. Sneezing in the morning won’t affect how the drug gets into your bloodstream at all.
The only way it could matter is if you were trying to take the pill mid-sneeze, which would be… unpleasant—but that’s not really an absorption issue, just a practical one. Otherwise, your morning sneeze fits are just part of your routine and have no impact on the pill’s effect.
So you can safely ignore it and focus on the main absorption blockers: coffee, supplements, and food timing.
If you like, I can now lay out a practical, step-by-step Saturday/Sunday morning routine that accounts for all your habits—coffee, supplements, phlegm, sneezing, fried chicken if you happen to get breakfast early—while giving alendronate the best chance to work. Do you want me to do that?
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