Cycle-synced dosing. The bloat question settled. Brands that passed 2025 lab tests and the ones that didn't. 32 pages. Reviewed by a women's-health MD. Written by two people who had to learn this the hard way.
If you're a woman who's tried creatine, you've probably experienced one of three things.
You started, felt puffy for two weeks, and quit because you couldn't tell if it was working or if your jeans were just lying. You took it for three months, never saw a clear result, and eventually forgot to buy the next tub. You read six articles, got six different answers about timing and dosing and whether HCl is "better," and never started at all.
None of that is your fault. Creatine is the most-studied supplement on the planet — over 700 human trials — and almost all of the popular content about it was written for a 180-pound male lifter. The dose assumes his bodyweight. The timing advice assumes his testosterone. The "will it make me bulky" answer doesn't even apply to you, and the one question you actually have — why does the first month feel weird? — barely gets a paragraph.
We're fixing that.
Does it matter when in my cycle I take it? Yes, more than men's guides tell you. Intramuscular creatine stores fluctuate across the menstrual cycle, and supplementation has the most measurable effect during specific phases. There's a simple cycle-synced protocol inside, and permission to ignore it if that's not your thing.
Why do I look puffier the first month? Water, but not where you think. It's intramuscular, not subcutaneous. It peaks around day 10–14 and settles. The full explanation — with what it looks like on the scale vs. in a mirror — is in Chapter 2.
Is monohydrate still right, or did HCl solve something? Monohydrate, 99% of the time. There's one legitimate case for HCl (GI sensitivity) and several illegitimate ones that Instagram won't stop pushing. Chapter 5 walks through the evidence.
How does it interact with my birth control, thyroid meds, SSRIs? All addressed specifically. Most interactions are non-events. Two are worth knowing about. Chapter 9.
What dose actually works if I'm 130 pounds and my husband takes the same 5 grams? Not the same as his. Chapter 3 has a weight-adjusted dose table — the one women's fitness accounts rarely publish because "5 grams" is easier to caption.
Does it affect my hair? My skin? My sleep? The DHT-hair-loss claim that started the TikTok panic comes from a single 2009 rugby-player study. What the follow-up research in women actually shows is in Chapter 6. Same chapter covers the skin and sleep evidence.
Will it make me bulky? No. But the reason is more interesting than "it just won't." Chapter 2 explains the body-composition data over 12 weeks and why the scale change is a specific, finite thing that stabilizes.
Chapter 1 — What creatine actually is. The 90-second biology. Why women's baseline stores are lower, which means the ceiling from supplementation is proportionally bigger, not smaller. What it is not (not a steroid, not a stimulant, not a hormone disruptor).
Chapter 2 — The "will it make me bulky" question, settled. Body composition data over 12 weeks. What the scale change actually represents. When to expect it to stabilize.
Chapter 3 — Dosing. The weight-adjusted dose table. Why the standard 5 grams was calibrated on 80kg men. Loading phase — when it's worth doing and when it isn't. The one-page dose cheat sheet you can pull out and laminate.
Chapter 4 — Dosing across your cycle. Follicular, ovulatory, luteal, menstrual — what the research says about each. The simple cycle-synced protocol. Notes on hormonal contraceptives, perimenopause, post-menopause (where the case for creatine gets stronger, not weaker).
Chapter 5 — Forms. Monohydrate vs. HCl vs. ethyl ester vs. buffered vs. liquid. The one legitimate case for HCl. Creapure vs. unbranded monohydrate — when the premium is worth it.
Chapter 6 — What it does beyond muscle. Cognitive effects under sleep deprivation (relevant to any mother and every shift worker). Bone density in peri- and post-menopause. Mood research. The real answer on hair and skin.
Chapter 7 — Side effects. Water retention: what, where, how long. GI upset: the 90% fix. The creatinine/kidney lab-result issue and what to say to your doctor.
Chapter 8 — Brand audit. The five creatine products that passed independent third-party lab testing in 2025, with cert links. The three we personally use. How to read a label. The Amazon subscription trap and how to avoid the month-4 swap.
Chapter 9 — Interactions. Thyroid medication timing. SSRIs and SNRIs. Hormonal contraceptives. Metformin. Who should clear it with a doctor first (specific list, not "consult your physician" boilerplate).
Chapter 10 — The 4-week starter protocol. Week-by-week: dose, timing, food pairing, what to watch for. A pull-out 28-day tracker page.
Plus: FAQ (15 questions, short answers). Further reading. About Tessa + the MD reviewer.
Reviewed by a women's-health MD. The same reviewer on The Cortisol Handbook read every line and flagged anything she wouldn't tell a patient. Where the evidence is mixed, we say so. Where it's weak, we say so. Where there isn't any evidence specific to women, we say that too.
Specific brands with receipts. Chapter 8 lists the five creatine products that passed 2025 third-party lab testing with links to the Certificates of Analysis. We don't accept sponsorships. We paid for the products we reviewed.
Written by people who take it. Tessa has taken creatine daily since 2023. The guide is built from notes she kept through three failed starts and two years of actually using it, crossed with the research Ajay spent four months pulling apart.
One-time purchase, yours forever. Not a subscription, not a membership, not a funnel to a $200 upsell. A 32-page PDF you own.
You're a woman, roughly 25–55, who has heard creatine is something you should probably be taking and has either never started or started and didn't stick with it. You want the specifics — not another listicle.
You're peri- or post-menopausal and noticing that the old "just lift and eat protein" advice isn't cutting it anymore. You've heard creatine gets more important in these years and want to know exactly how to use it.
You're already training seriously and you've taken creatine for a while. You want to confirm you're doing it right, want the cycle-synced upgrades, and want to know which of the 40 tubs on Amazon are actually the real thing.
If you're pregnant or nursing, this guide defers you to your doctor. Same if you're on dialysis or have known kidney disease, or if you're managing a specific short list of medications (we spell them out inside). The guide is not a replacement for medical care.
What do I actually get?
A 32-page PDF, instantly downloaded after purchase. Ten chapters, pull-out dose cheat sheet, 28-day tracker, brand audit with cert links. Yours forever.
Bundle discount?
Yes. The Full Library Bundle at $97 includes this guide plus The Starter Protocol, Train With Your Cycle, and The Cortisol Handbook. If you already bought a single guide, reply to any receipt email for a $10 credit toward the bundle.
Is this medical advice?
No. It's a well-researched, MD-reviewed consumer guide to a supplement with a deep safety record. It defers to your doctor on all medical questions and names every condition where we think you should check with a provider before starting.
Refund policy?
30 days, no form, no questions. Reply to the Gumroad receipt email and we'll refund you. Real humans read those. — Tessa
I have a question that isn't in the guide.
Email us: hello@bodybya.com. We read and reply.
32 pages. Instant PDF. 30-day refund, no questions. $27.
— Ajay & Tessa