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Megan Foster

Megan Foster Facebook ad: “7 probiotics and 2 rounds of antibiotics later”

Megan Foster Facebook ad: 7 probiotics and 2 rounds of antibiotics later

Ran for 3 days, from July 26 to July 29, 2026, the last day Crush saw it.

Run by Megan Foster on Facebook. Crush is not the advertiser and does not verify its claims. See this ad in Meta's Ad Library(opens in a new tab)

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Meta Ad Library ID
1612927233525248
Platforms
Facebook, Instagram, Audience Network, Messenger and Threads
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Three years of vaginal probiotics failing me and I finally turned the bottles over. Seven of them. The gummies off my feed, the ones my pharmacist swore by, the expensive capsule my gyno pointed me at. All seven built on the same bacteria. Bacillus coagulans, one billion CFU, which is a gut bacterium that ended up in there because it survives being made into a gummy. Not one of the seven contained the species that's actually supposed to live in a vagina. I hadn't tried seven probiotics. I'd bought the same wrong thing seven times, and nobody selling them to me had any reason to mention it. Like I have a spreadsheet. An actual spreadsheet. With dates and symptoms and how long each one worked before the smell came back. 16 days was my longest streak. My shortest was 6. And every single time I'd be so hopeful. Like okay THIS is the one. I'd feel good for a week, maybe two. The smell would fade. I'd actually let my husband get close to me without making excuses. Then I'd wake up one morning and just... know. Before I even got out of bed I could tell it was back. My husband stopped initiating probably 8 months ago. He doesn't say anything about it anymore. He used to try to reassure me, like "babe it's fine, I don't even notice" but now he just... doesn't mention it. Which is almost worse? We went from having sex maybe 3 times a week when we first got married to literally once in the last 2 months. And that one time I had showered twice that day and still couldn't relax the whole time. I've been to my gyno 4 times about this. Four. She did a culture the first time and said "slight bacterial imbalance, nothing concerning." Gave me metronidazole. Worked for 16 days. Second visit she said "some women are just more prone to this." Gave me a different antibiotic. Worked for maybe 2 weeks. Third visit she literally sighed when I walked in. I could tell she was frustrated with me. She suggested I try probiotics and sent me home. Fourth visit I actually cried in the exam room and she referred me to a specialist with a 4 month wait. So last month I'm down another rabbit hole at like 1am and I find this comment from a microbiologist on some random forum. She was explaining why standard probiotics fail for recurring BV and I actually sat up in bed reading it. She said your vagina isn't supposed to be sterile. It's supposed to be full. There's a protective community of bacteria that lives on the vaginal wall called Lactobacillus, and their entire job is occupying the space so nothing else can move in. They keep the pH acidic. They're the reason a healthy vagina doesn't get taken over by whatever happens to wander in. And an antibiotic can't tell the difference between the bacteria causing your infection and the bacteria protecting you. So it takes both. Which means on the last day of your course you're not fixed. You're empty. There's a cleared space where a protective community used to be, and whatever gets there first wins. Some of the bad bacteria always survive, hiding inside a biofilm on the vaginal wall that an oral course can't fully reach, so they're already sitting right there with a head start. That's why everything works for a week or two and then stops. And here's the part that made me actually angry. It doesn't reset between rounds. Your Lactobacillus only partially recovers before the next thing knocks it down again from a lower starting point. The vaginal wall they live on takes an inflammation hit every single time. Add the pH washes and the boric acid on top, which strip whatever managed to survive. So the fifth thing you try is landing on a vagina that has less left in it than the first thing did. I went back to my spreadsheet after reading that and just sat there. My 16 day streak was at the beginning. My 6 day one was near the end. I hadn't been getting unluckier. I'd been getting emptier. And then she explained why almost none of it works even when you're doing the right thing and taking probiotics. She said it isn't that probiotics don't work. It's that almost nothing sold as a vaginal probiotic actually contains vaginal bacteria. Most of them are built on Bacillus coagulans. Which is a gut bacterium. It's in there because it's tough enough to survive being turned into a gummy, not because it belongs anywhere near your vagina. They picked the bacteria that fits the candy. So I got up, went and pulled all seven bottles out of the drawer again, and this time read every line. Bacillus coagulans. Bacillus coagulans. Bacillus coagulans. One of them had acidophilus and rhamnosus, which at least are Lactobacillus, but at 1 billion CFU. Two of them just said "proprietary blend" so there's genuinely no way to know what's in there at all. She said an oral probiotic needs to be at least 25 billion CFU for a meaningful amount to survive the trip. Mine were at one. And then she named the one that actually matters. Lactobacillus crispatus. It's the species that dominates the most stable, lowest-recurrence vaginal microbiomes in the entire research. It produces D-lactic acid, which is specifically what breaks down the biofilm the survivors are hiding in. It's what the serious clinical work is built around. Not one of my seven bottles contained it. Zero. $400 and 3 years to find that out. So I spent about 3 hours that night looking for something that actually did the whole job. Almost everything fails on crispatus before you even get to the rest of it. Half of them don't have it at all. The ones that do won't tell you how much. The one I found is called Feminly, and it's built in the order the whole thing actually has to happen. Bromelain first, the enzyme from pineapple, to break the biofilm open. You cannot plant anything while that shield is still sitting there. Then 6 Lactobacillus species at 26 billion CFU, with crispatus at 4 billion, to take the space before anything else can. That's the half that none of my seven bottles were doing. Clearing it out and leaving it empty is just preparing the ground for whatever arrives next. Then prebiotics, because bacteria you plant with nothing to feed on wash straight back out inside a week. And specifically ones that feed Lactobacillus rather than feeding everything down there, because feeding everything feeds the problem too. Cranberry, because every UTI I got put me right back on an antibiotic that demolished the whole rebuild. It doesn't matter that a UTI has nothing to do with BV. The course does the same damage either way. And sea buckthorn for the vaginal wall itself, because Lactobacillus doesn't float around in there. It attaches to the tissue and lives on what healthy tissue sheds. After 3 years of courses and washes mine was in no state to hold anything, which is probably why even the good stuff would have washed straight out. As far as I can tell almost nobody else is even trying to fix that part. Every milligram on the label. No proprietary blend. I've been taking it for about 5 weeks now. And I don't want to jinx it but my husband initiated last weekend. First time in months. And I didn't make an excuse. I didn't run to shower first. I just said yes. The next morning I kept waiting for it to come back. I checked like 4 times throughout the day. Nothing. It's been 5 weeks and counting. Longest streak by far. I'm scared to even type this honestly. But if you're on your 4th or 5th probiotic wondering why nothing sticks, go and turn the bottle over and look for crispatus. I promise you it isn't there. I wish someone had told me that 3 years and probably $400 ago. EDIT: Sorry I completely forgot to put the link and my DMs are full of people asking. It's called Feminly, here it is: https://offers.myfeminly.com/5reasons-editorial-listicle-v1-a1

offers.myfeminly.com

7 probiotics and 2 rounds of antibiotics later

Not one of them put anything back

Learn more: offers.myfeminly.com(opens in a new tab)

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