Glycine-bound magnesium

Same period. Different day one.

Glycine-Bound Magnesium — formulated to reduce the prostaglandins that turn your bathroom into a warzone every single month.

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Free shipping · No questions returns · Made in USA

You have spent years timing bathroom trips at work. Lying to your boss. Planning your life around two days every month. That is not a personality trait.

That is prostaglandins — and nobody bothered to explain that to you.

Here is what is actually happening.

What it actually does

What it actually does. No vague claims.

Not a general wellness supplement. Built specifically for what happens to your body every single month.

01

Cycle comfort

Calmer cramps. Reduced prostaglandin spikes. Less of the monthly chaos.

02

Digestive stability

Gentle on a gut already in disruption. Not a laxative. No surprise frictionless wipes.

03

Day one, reclaimed

Make it to work. Keep the plans. Stop dreading the calendar notification that says it's coming.

04

Hormone-free

No synthetic hormones. No prescription. No swapping one problem for another.

The Research

The research behind it

Not our words.Their findings.

Every claim we make is backed by published research. Here is some of it.

"On Mg-therapy conditions we achieved a reduction of PGF2 alpha in menstrual blood to 45% of value before treatment started. As against that 90% of basic concentration were estimated from women who received a placebo."

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"Magnesium had a therapeutic effect on both back pain and lower abdominal pain on the second and the third day of the cycle. A marked reduction in absences from work due to the dysmenorrhea was also noted."

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"In Mg-treated cycles compared with the control one, first day dysmenorrhea progressively decreased, with a significant drop (p < 0.05) from the 1st to the 6th cycle."

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"Although both doses of magnesium could significantly reduce all symptoms of dysmenorrhea compared to the placebo."

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"Mg2+ temporarily reduced spontaneous myometrial contractions in a dose-dependent manner."

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"The picture that emerges indicates that magnesium supplementation is effective in the prevention of dysmenorrhea, premenstrual syndrome, and menstrual migraine and in the prevention of climacteric symptoms."

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"Magnesium is involved in a wide variety of physiological processes including direct relaxation of smooth muscle."

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"Low magnesium intakes and blood levels have been associated with type 2 diabetes, metabolic syndrome, elevated C-reactive protein, hypertension, atherosclerotic vascular disease, sudden cardiac death, osteoporosis, migraine headache, asthma, and colon cancer. Almost half (48%) of the US population consumed less than the required amount of magnesium from food in 2005-2006."

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"Because of chronic diseases, medications, decreases in food crop magnesium contents, and the availability of refined and processed foods, the vast majority of people in modern societies are at risk for magnesium deficiency."

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"It was observed that the administration of 200 mg MgS to PD patients significantly reduced pelvic pain in dysmenorrhea."

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"A daily dose of 250–350 mg of elemental magnesium is commonly used in studies and is considered safe for most people. Taking magnesium with food may improve tolerance."

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Glycine-Bound Magnesium.

HerBalance Glycine-Bound Magnesium
Flagship formula

Glycine-bound magnesium.

90 capsules · 30-day supply · 275 mg per daily serve

Vegan capsules GMP certified Made in the USA No fillers Hormone-free
Choose your supply

Free shipping on all subscriptions and 2+ bottle orders.

90 capsules · 30-day supply per bottle · 275 mg per daily serve
Choose how to order
Start my routine — $59.99

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60
Day Promise

The final word

Sixty days. No questions. No return required.

Take it for two cycles. If it doesn't change your day one — keep the bottle, get a full refund, and we move on. We're only willing to sell you something we're willing to back.

Get yours risk free Read the full promise →

Honest answers

The questions she actually asks.

No — and this is the question we get asked most. The magnesium forms that cause diarrhoea are magnesium citrate and magnesium oxide. Those forms are poorly absorbed so your body pushes them out fast, which is why they are used as laxatives. Magnesium glycinate is completely different. It is chelated — meaning it is bound to the amino acid glycine — which allows it to be absorbed through the small intestine properly instead of rushing through your gut. It is specifically chosen for women whose digestive systems are already in disruption. Gentle is the whole point.
Most magnesium supplements on shelves use magnesium oxide because it is cheap to produce and has a high elemental magnesium number on the label. That number looks impressive but magnesium oxide has very poor absorption — studies show as little as 4% actually gets used by your body. HerBalance uses magnesium glycinate, a fully chelated form with significantly higher bioavailability, meaning more of what is on the label actually reaches your cells. We also dose it at 275mg of elemental magnesium per serving — the amount clinical research actually used, not a number chosen for marketing purposes.
Most women notice a difference within two full cycles. Magnesium glycinate works by reducing prostaglandin production over time — it is not an in-the-moment pain reliever. Your body needs consistency across at least one full cycle before the prostaglandin response starts to shift. Some women feel a difference in the first cycle. Some need two. This is why we offer a 60 day guarantee — because two cycles is the honest timeframe and we want you to have enough time to actually find out.
Every day. Magnesium glycinate works by maintaining consistent magnesium levels in your body so that when prostaglandins spike at the start of your period there is already something there to dampen the response. Taking it only around your period is like trying to fill a bath the moment it overflows. The benefit builds with consistency. Three capsules daily is all it takes — most women take them in the evening.
Magnesium glycinate is generally very well tolerated and is one of the gentlest forms of magnesium available, which is why it is specifically recommended for people with sensitive digestive systems. That said, if you are currently taking prescription medication or have a diagnosed condition being managed medically, we always recommend checking with your doctor before adding any new supplement. Not because we expect an issue — but because your situation is specific and you deserve specific advice, not a generic green light from a website.
Honestly — because most medical training does not cover nutritional interventions in depth, and because the connection between magnesium, prostaglandins, and cycle-related digestive disruption is not widely discussed in standard gynaecological care. Most women with period poops are told it is normal and to take ibuprofen. That is not wrong — NSAIDs do reduce prostaglandins — but it is reactive. Magnesium glycinate works upstream, before the spike. It is not a secret. The research exists. It just has not made its way into the average GP appointment yet.
Three things worth knowing. First — this is a supplement, not a medication. It works with your body over time, not against a symptom in the moment. Second — magnesium can interact with certain antibiotics and medications if taken at the same time. Space them at least two hours apart if you are on any prescription medication. Third — if you are pregnant or breastfeeding, check with your doctor before starting. Everything else — vegan, no fillers, no synthetic hormones, GMP certified, made in the USA — is exactly what it says on the label.
You get every cent back. Sixty days from the day your order arrives — not the day you start taking it, not the day you remember to email us. Sixty days. No questions asked. No return required. You do not need to explain yourself, send back the bottle, or jump through hoops. If it does not work for you, it should not cost you anything. That is the whole point of the guarantee.