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ForumsOral GLP-1 AgonistsHas anyone dealt with dropped my rybelsus in the toilet this morning - worst day?

Has anyone dealt with dropped my rybelsus in the toilet this morning - worst day?

MASHdoc_SA Tue, Jul 9, 2024 at 9:49 AM 41 replies 2,586 viewsPage 1 of 9
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MASHdoc_SA
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Jul 9, 2024 at 11:14 AM#1

I've been on injectable semaglutide (Wegovy 1.7mg) for 7 months with good results — 38lbs down, A1C improved, feeling great. But I HATE the injections. Not from pain (they're fine), but from the weekly routine of it. I travel a lot for work and keeping pens refrigerated in hotels is annoying, TSA always questions it, and honestly I just dislike the whole ritual.

My doctor mentioned Rybelsus (oral semaglutide) as an option. I know it's technically the same drug but taken daily as a pill. Has anyone switched from injectable to oral? Is the efficacy comparable? I've heard the oral bioavailability is way lower.

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HPLC_Greg
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Jul 9, 2024 at 11:31 AM#2

So here's the thing about oral semaglutide — the pharmacology is quite different from injectable even though it's the same molecule. Let me break down the key differences:

ParameterInjectable (Wegovy/Ozempic)Oral (Rybelsus)
Bioavailability~89%~1% (yes, one percent)
Max approved dose2.4mg (Wegovy)14mg (Rybelsus)
Dosing frequencyOnce weeklyOnce daily
Food restrictionsNoneMust take fasting, 30 min before food/drink
Steady-state serum levelsAchieved ~4-5 weeksAchieved ~4-5 weeks
Primary indicationT2D + obesityT2D only (14mg)

The ~1% oral bioavailability is not a typo. Semaglutide is a peptide, and peptides are generally destroyed in the GI tract. Rybelsus uses a special absorption enhancer called SNAC (sodium N-[8-(2-hydroxybenzoyl)amino]caprylate) that protects the molecule and promotes absorption in the stomach.

Despite the low bioavailability, at the 14mg oral dose, you can achieve plasma levels roughly equivalent to injectable 0.5-1.0mg — but NOT equivalent to the higher weight management doses (1.7-2.4mg). This is the fundamental limitation.

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TrialNerd_Beth
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Jul 9, 2024 at 11:48 AM#3

I actually did this switch and switched back within 3 months. Here's why:

The daily fasting requirement is WAY more annoying than you'd think. You have to take the pill on an empty stomach with no more than 4oz of plain water, then wait AT LEAST 30 minutes before eating, drinking anything else, or taking any other medications. Every. Single. Day.

For someone who travels a lot — which you said you do — this is potentially harder than the injection routine, not easier. At least with the injection it's once a week and you're done.

Also, my appetite suppression decreased noticeably. The 14mg oral dose just doesn't match the higher injectable doses for weight management. I regained about 8lbs in those 3 months before switching back.

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PeptideSynthNJ
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Jul 9, 2024 at 12:05 PM#4

Counterpoint: I switched from injectable 1.0mg to oral 14mg and I've been perfectly happy. The key is that I was on a lower injectable dose. If you're at 1.7mg or 2.4mg, the oral just can't match it. But for those of us at 0.5-1.0mg injectable, the oral is a reasonable alternative.

The fasting thing isn't that bad imo — I just take it first thing when I wake up, then do my morning routine (shower, get dressed, etc) and by the time I'm ready for breakfast it's been 30 minutes.

Last edited: Jul 9, 2024 at 4:05 PM
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PeptideChemSF
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Jul 9, 2024 at 12:22 PM#5
Previously posted:
at the 14mg oral dose, you can achieve plasma levels roughly equivalent to injectable 0.5-1.0mg — but NOT equivalent to the higher weight management doses (1.7-2.4mg)

This is the critical point. For weight management purposes, oral semaglutide at currently available doses (max 14mg Rybelsus) is inferior to the higher injectable doses.

However — and this is important — Novo Nordisk has been developing a higher-dose oral semaglutide (25mg and 50mg) specifically for obesity. The OASIS 1 trial showed that oral semaglutide 50mg achieved weight loss of ~15.1% at 68 weeks, which is comparable to injectable 2.4mg.[1]

These higher oral doses may be available in the near future which could change the calculus entirely. But right now, with only 14mg available, switching from injectable 1.7mg would likely mean reduced efficacy.

[1] Knop FK, et al. "Oral semaglutide 50 mg taken once daily in adults with overweight or obesity (OASIS 1)." Lancet. 2023;402(10403):705-719.
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