FIELD JOURNAL
ISSUE 002
NOTES FROM THE FIELD
13 June 2026
4 min read
Your Antibiotics Ended Weeks Ago. But the Gut Problems Didn't.
If you're still bracing every time you eat, still bloating after meals, still reacting to food that never bothered you before... it isn't in your head. The prescription pad doesn't tell you how long the rebuild actually takes.
So if you're anything like me, you've been on the wrong side of an antibiotic course at some point…
Maybe a UTI that wouldn't quit. Maybe a sinus infection. Maybe a tooth thing, an abscess, a dental procedure prep, a chest infection that wouldn't clear.
Whatever landed you on 10 or 14 days of pills.
So you took the course… The infection cleared, and your doctor said "you should be good."
And then weeks later (sometimes months later) you're still trying to figure out why:
Your stomach is upset half the time
Foods you've eaten your whole life suddenly hurt you
The bloating just... won't go away
You can't tell if it's "in your head" or actually a thing
It's actually a thing.
See, antibiotics don't pick and choose.
They take out the infection AND the rest of the bacterial population in your gut. The trillions of organisms that were running the show in there.
Your microbiome gets flattened.
The wall those bacteria were maintaining (the single-cell-thick lining that decides what gets through to your bloodstream and what doesn't) gets compromised right alongside it.
Which is why, weeks after you finished the course:
The bloating still hasn't gone away
Food sensitivities keep showing up that weren't there a year ago
Your digestion does whatever it wants. And never what you want it to.
The truth I was SO glad to hear? It's not in your head, and it’s definitely not "anxiety."
"It's the only thing that's helped my IBS. Not a cure, but I am not suffering nearly as much anymore."
Maddie R.
Verified Customer
"It helped with bloating and improved my digestion dramatically. I took morning/night on empty stomach..."
Clark M.
Verified Customer
…This is what countless women in the same boat are saying all over the internet.
Including women who took the antibiotic course, finished it, and went looking for what came next.
What Nobody Talks About After The Antibiotic Course Is Over…
Okay, so here's what's actually going on in there.
The drug does the job it was prescribed for. Clears the bacterial infection it was targeting. That part works.…
But the same drug that takes out the infection also takes out (depending on the antibiotic, depending on the dose, depending on how long you were on it) somewhere between a chunk and most of the bacterial population living in your gut.
But that population is supposed to be running multiple jobs at once:
1 Helping you digest food
3 Training your immune system to know what to react to
2 Producing certain B vitamins your body uses
4 And holding up the wall that separates what's inside your gut tube from what gets into your bloodstream
When you flatten the population, all of that critical work slows down, or stops…
The wall, the single-cell-thick lining that decides what gets absorbed and what stays put, loses some of its structural backup. Things that shouldn't make it through start making it through.
Your immune system, which is mostly stationed right behind that wall, starts firing at stuff it didn't have to fire at before.
That's the "leaky gut" thing.
(And unfortunately, it isn't a fringe term anymore…)
Cleveland Clinic has published content on it.
Gastroenterology journals have published on it.
Now, the phrase gets debated… But the mechanism behind it never does.
Here's the part most women don't realise.
Rebuilding that population (and rebuilding the wall it was holding up) doesn't happen on the antibiotic-course timeline.
It happens on the gut-recovery timeline. Which is months, not days.
Multiple weeks of partial repopulation. Multiple weeks of wall rebuild.
And during that whole window, you're walking around with a system that's still recovering... while everyone (your doctor included) treats you like the prescription is over and you're "fine."
Now, you might be wondering: what about probiotics?
Probiotics help some people. They help less than the marketing implies.
Most of them are a few strains in a capsule. You can't repopulate trillions of organisms with a 50-billion-CFU capsule the way the label suggests.
And the gut also needs structural materials to rebuild. The actual stuff that feeds the lining cells and signals them to renew themselves.
Most of what's sold for that job is... stripped down to almost nothing.
That's the gap.
That's what we'll talk about next.
What Colostrum Actually Is, Before We Get To Brand Specifics
The first thing every mammal ever ate.
Before colostrum was a supplement category, it was the first milk every newborn mammal got. For one specific reason.
Let me break it down the way I wish someone had broken it down for me.
Colostrum is the first milk a mother produces after giving birth. Not regular milk. Different stuff entirely. The body produces it for a 24-to-72-hour window, then switches over to normal milk.
Why?
Because newborns are born with an immune system that doesn't really work yet. And a gut lining that's barely built. They can't fight off the bacteria, viruses, or environmental stuff their bodies are about to encounter.
Colostrum is the body's way of handing the newborn a starter kit:
Antibodies to patrol against bad bacteria
Iron-binders to keep the wrong bacteria from growing
Growth signals to build out the gut lining itself
The cow produces all the same compounds for her calf.
And here's the thing... cow colostrum carries most of the same working ingredients humans get from their own mother's first milk. The biology is that old. That shared.
Eighty million years of mammalian evolution making the same stuff for the same job.
When a working dairy collects colostrum, the cow produces more than the calf actually needs in those first hours. The surplus, sourced right, is what ends up in a jar.
So here's what's actually in it. The three working ingredients that matter.
THE ANTIBODIES Immunoglobulins (IgG, mostly)
These are the same kind of proteins your immune system uses to tag bad bacteria. In a healthy gut, they patrol the wet lining inside your digestive tract.
After antibiotics, that lining is under-patrolled. The IgG in a colostrum supplement is what gets them back on patrol.
What it does, body-side: you stop reacting to things that didn't used to bother you.
THE IRON-BINDER Lactoferrin
Bad bacteria need iron to grow. Lactoferrin locks the iron up so they can't have it... and leaves the friendly bacteria alone.
It also supports the cells that are your gut lining. After antibiotics, those cells are the surface that has to rebuild first.
What it does, body-side: it gives the rebuild a clean room to work in.
THE REBUILD SIGNALS Growth factors (IGF-1 and TGF-beta)
These are the chemical signals that tell your gut lining cells to renew themselves. The lining sheds and rebuilds every few days under normal conditions.
After disruption, those signals matter more, not less.
What it does, body-side: the rebuild signal. The thing that's been missing.
So the short version:
Colostrum supplies the exact stuff your gut needs to rebuild after disruption.
And most adults aren't getting any of it from anywhere else.
Probiotics handle one piece of the recovery (the population). Collagen handles another piece (the structural protein layer). Colostrum is the foundational layer underneath both. And it's the one almost nobody talks about.
Which is the gap.
Which is why, when the course finishes and the bottle is empty and you're still bracing every time you eat at week six... it isn't the time-since-pills that matters. It's whether the rebuild stuff is even showing up.
That part is brand-specific. Most of what's sold isn't doing the work it says it does. Here's why.
3 Grams. First-Day Milked. Unstripped. Third-Party Verified At 25.3% IGG.
The colostrum spec you'd build if the only goal was rebuilding your gut barrier (and not engineering a jar that dissolves prettiest in your coffee).
So here's the part that took me longest to accept.
The dose most colostrum brands sell?
1 gram per serving. Sometimes 1.5. Single-scoop capsules that are smaller still.
The published clinical research on bovine colostrum, meanwhile, uses doses ranging from about 200mg/day at the very low end to as much as 60g/day at the high end. The studies that demonstrate gut-barrier work sit in the middle of that range. Well above what the standard 1g jar gives you in a daily scoop.
Translation: If you've taken colostrum before and "felt nothing"... you might not be wrong. And it might not be your body.
You might just be on a dose floor that wouldn't have worked even in a study.
Here's what we built instead.
3g
per serving
Three times the leading brand's published 1-gram serving.
Two scoops a day puts you well inside the dosing range that actually shows up in the research.
The reason most brands sit at 1g isn't that they think 1g is the right dose. It's that colostrum is expensive to source. A smaller serving keeps the per-jar cost down.
We pay the input cost. The dose reflects what the research uses.
25.3%
IgG concentration. Third-party verified.
HPLC method. Batch TRF-2025061365. Certificate of analysis on file.
25.3% of 3g = 750mg of IgG per scoop.
Most colostrum brands (the leading brand, the second-bestselling brand on Amazon, the identity-laden competitor, the lifestyle-luxe competitor) don't publicly disclose their IgG percentage at all.
Ours is tested by an outside lab. The batch number is printed on the jar.
You can look it up.
Day 1 only
First-day milking
Most colostrum gets collected on day 2 or 3. Sometimes blended across the whole 72-hour window. The reason is volume: day 1 yields the least milk; days 2 and 3 yield more.
But the working ingredients in colostrum drop off sharply after the first 24 hours.
We pay the supply-side premium for first-day-only collection. The density depends on it.
Unstripped
Full-fat. Nothing pulled out.
The fat layer in colostrum is the carrier for several of the most important working ingredients. Remove the fat, you lose the carriers.
Most colostrum on the market is fat-stripped. The reason is solubility: stripped powder dissolves cleaner in cold liquid, which makes it easier to market as a "clean-mix coffee additive."
That trade goes the wrong way. We don't strip.
The trade goes the other way.
Same Word On The Label. Different Things In The Jar.
Ten things colostrum brands publish on their labels... or don't. Numbers only. Where we don't have the research yet, we say so.
Here's what differentiation actually looks like at the row level.
I built this for myself before I built this brand. Pulled every colostrum jar I could find on Amazon. Opened every spec sheet I could find online. Stacked them against each other.
This is what came out.
Dose per serving
IgG % published
Verification source
First-day milking
Fat layer
Solubility
Flavorings
Sourcing
Farms commitment
Independent testing
3g
25.3% (HPLC verified)
Third-party HPLC, COA on file
Yes, exclusively
Kept in (unstripped)
Fuller texture (carrier preserved)
None
100% US grass-fed
10% of net profit
Third-party HPLC + GMP
Most Brands
1g–2g
Not published
None published
Blended across the 72-hour window
Stripped for cold-mix dissolvability
Optimised for cold-mix dissolve
Often added
Often unspecified or imported
None
Rarely third-party published
A note on the spec-sheet column.
That brand publishes 40% IgG. Which is higher than our 25.3%.
Worth saying out loud. But they don't publish a third-party verification source. Ours does. The batch number is on the jar.
What you do with that, you do with that.
The solubility row is where the real trade-off lives. The thing the four-axis stack (3g + 25.3% verified + first-day + unstripped) actually creates.
Let's look at it.
The Texture Is The Proof
Okay. So the one thing I have to be straight with you about.
Harvestory doesn't dissolve as cleanly as the cleanest-mixing colostrum on the market.
If you whisk it into cold water with a fork: you'll see some texture. If you put it in cold coffee: you'll see it sit on top for a second before it goes in.
It does go in. But the first time, it'll feel like more work than the powder you might be used to.
I'd rather tell you about that now than have you open the jar at home and panic.
Here's why the friction exists...
The fat layer in colostrum is the carrier for several of the working ingredients the rest of the spec stack is built around.
Strip the fat (which is what brands optimised for clean dissolvability do)... you pull some of the compounds out with it.
Cleaner mix. Fewer working ingredients. The trade-off is structural.
Different formulation paths produce different texture-and-content outcomes. Ours kept the carrier intact at the cost of the cleanest possible dissolve.
What this means for you in the kitchen:
When you whisk it cold with a fork: you'll see texture.
When you use a frother or a shaker bottle for 30 to 60 seconds: it goes in fine.
When you put it in anything hot: the heat damages the working ingredients. So cold or barely-warm only.
The first time it'll feel like more work. The second time it'll feel normal.
Every Harvestory jar ships with a card the first time it lands at your door. It walks you through the technique. Explains the mechanism. Signed by Clare and Elliott.
We'd rather pre-load the explanation than have you open the jar, find texture, and assume it's a defect.
The texture is the carrier. That's the trade we made.
Why We Built Harvestory
Clare and Elliott Beckstrom. Northern California.
We're Clare and Elliott.
We live in Northern California, and Harvestory came out of a problem we couldn't find a good answer to.
Clare grew up in this part of the state. Her family worked dairy. The dairies that surround us out here are the same families they grew up working alongside. First-day colostrum (the kind that's dense with the cream layer still floating) was a part of life on a working dairy long before "colostrum supplement" was a category anyone shopped.
A few years ago, after Clare's second baby, postpartum recovery stacked on top of a toddler bringing every virus home from daycare. We started reading about what bovine colostrum actually does.
So we bought a few of the leading jars to try. Read the labels. Read the COAs where they existed.
Read the silence where they didn't.
What we found:
Almost every jar in the category had been stripped down.
Lower doses than the research used
IgG concentrations unpublished or unverified
Fat layers pulled out to make the powder look cleaner in coffee
Milking windows quietly extended beyond day one (because day one volume is lower, days two and three are cheaper)
We didn't want to build a colostrum brand on the version that had been stripped.
So we built it on the version Clare grew up around:
First-day, full-fat, third-party tested, sourced from family farms in Northern California, dosed at 3 grams per serving.
Then there's the farms commitment.
Watching our partner dairies operate at commodity-milk margins, and watching the ones that didn't make it close in single-quarter announcements after fifty years, made one thing obvious.
A colostrum brand can't honestly come from these farms and keep all the profit.
So 10% of net profit returns to the family dairies we source from. Every year. Reported to subscribers in the founder-letter-in-box twice a year. Audited publicly once a year.
The three things we refuse to compromise on are dose, source, and profile.
The full 3g serving
First-day milking only
The unstripped fat
Everything in the comparison table came out of that decision.
Clare Beckstrom and Elliott Beckstrom
Try Harvestory for 60 days. If it isn't doing what you hoped, we refund the order. You keep the jar.
60 days. Two scoops a day. The way the postcard tells you. Founder-couple signed.
Here's why we wrote a long guarantee instead of putting a small badge next to a button.
If you've been on the wrong side of a "60-day guarantee" before...
A return window that required an unopened jar
A refund that came with a restocking fee
A return shipping charge that ate half the refund
...you already know that "money-back" can mean a lot of different things.
We've been on the wrong side of those too. We hate them.
This is the guarantee we'd want as customers.
If you start your subscription, take the jar (or take half the jar, or take all of the jar) and decide at any point inside 60 days that it isn't for you... message us.
We'll refund every dollar you paid.
We won't ask why
We won't ship-charge you to return it
We won't ask you to keep the lid on for proof
The empty jar can stay in your recycling
We can write this guarantee because we know what we built.
The 3 grams of unstripped, first-day-milked, third-party-tested colostrum we ship is the spec the research actually uses. The body it's going into is the body it was made for.
Most people who give it the full 60 days notice something.
The people who don't... we'd rather refund them honestly than keep their money on technicality.
If it isn't for you, you're not risking $59.99. You're testing whether what we kept in does what we said it does. We pay the risk on that test, not you.
Full refund of every dollar paid
No restocking fee
No return shipping charge
No "must finish the jar" requirement. The empty jar stays with you
One promise per customer. We don't make you ask twice.
What Tends To Surface First, And When.
Sensation cues sourced from the conversation women in the same boat are already having online. Nothing invented. Your timeline may be faster or slower; the pattern below is the cohort-typical one.
Most "did it work?" disappointment with colostrum lands at week 2 or week 4.
Not because it isn't working.
Because the work is slow. And nobody told the buyer what to look for at week 2 versus what to look for at week 8.
So here's what tends to actually show up at each milestone... taken from the women who stuck with it long enough to write about it after.
DAY 7
Early gut-tolerance shift.
The first thing most women in the threads describe is texture-level.
Less bloating after meals
Less of the "settling" period where you have to sit with whatever you ate
Things passing through normally for the first time
"It was the only thing that helped with bloating and improved my digestion dramatically. I took morning/night on empty stomach...’’
What's actually happening:
The lactoferrin and IgG are starting to patrol the wet lining inside your gut again. The full rebuild is still underway. The patrol comes back faster than the structural rebuild does.
What we tell our family to expect at week one: it's quiet. The first signal is the absence of the thing you'd gotten used to.
DAY 30
Compounding signal.
Around the 30-day mark, the pattern starts to consolidate.
Food sensitivities that came on after the antibiotic course feel less reactive
Less day-to-day digestion attention required
Hair shedding (often downstream of gut absorption issues) starts to stabilise
Nail growth picks up
"My bowel movements are normal first time in years."
What's actually happening:
The growth signals (IGF-1 and TGF-beta) have been telling your gut lining to renew itself for a month. The rebuild is underway. Your immune system has stabilised across multiple meal-cycles instead of firing at random foods.
DAY 60
Pattern clarity.
The 60-day window is where it stops being individual changes and starts being a recognisable pattern.
The thing the antibiotic course took away has substantially returned
You stop tracking it
You stop thinking of your gut as a problem you're managing
"Radically changed my gut health... less bloated and less distracted by my gut issues."
What's actually happening:
60 days is the inflection point. Long enough for the slow work (the rebuild, the immune-system retraining) to consolidate into something noticeable. Short enough that the 60-day guarantee covers it.
If Your Gut's Been The Thing You've Been Quietly Managing Since The Course Ended...
You don't need another supplement to add to the lineup.
You need the layer underneath the supplement lineup.
The first-day, full-fat, 3-gram serving with the IgG percentage on the jar and the third-party batch number you can look up. Sourced from the dairies in Northern California that still know how to do this part right. 10% of net profit returning to them every year.
If the spec on this page reads like the thing you wish someone had told you about months ago... the 60-day guarantee is how we make sure you can find out without risking it on us.
You take the jar. You give it 60 days. If it isn't doing what we said it does, we refund every dollar and you keep the jar.
That's the offer.
Clare and Elliott Beckstrom
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