I'll be honest: when I first started reading about bone broth, I thought it was a trend. Another wellness fad that would come and go like activated charcoal or celery juice. Then I actually looked at the research. And then I made some. And then I understood why virtually every traditional postpartum culture—across continents and centuries—includes some form of slow-simmered broth. It's not a trend. It's ancient wisdom backed by modern science.

What happens when you simmer bones for hours

When you cook bones low and slow—we're talking 24-48 hours—something remarkable happens. The collagen in the bones and connective tissue breaks down into gelatin. That gelatin, when cooled, is what makes good bone broth jiggle like Jell-O. And that gelatin contains amino acids that your body uses in very specific ways. The key players: Glycine – Supports liver detoxification, helps regulate blood sugar, promotes sleep quality, and is a building block for collagen synthesis in your own body (*1). Proline – Works alongside glycine to rebuild connective tissue. Your body uses it for skin elasticity, joint health, and wound healing (*2). Glutamine – Supports gut lining integrity and immune function. Often depleted during times of physical stress (*3). These aren't obscure compounds. They're amino acids your body needs for basic repair—and postpartum is a time of intensive repair.

Why postpartum specifically?

Let me paint a picture of what's happening in a postpartum body:

Tissue healing: Whether vaginal birth or cesarean, there's significant tissue repair happening. Glycine and proline are the raw materials for this work.

Blood volume recovery: You lost blood during delivery. Your body is working to replenish it. The minerals in bone broth (calcium, magnesium, phosphorus) support this process.

Gut health under stress: Sleep deprivation and stress can compromise gut lining. Glutamine helps maintain that barrier.

Inflammation regulation: The amino acid profile in bone broth has anti-inflammatory properties, which matters when your body is in active healing mode.

Hydration: Broth is liquid, obviously, but it's also mineralized liquid. It hydrates while replenishing electrolytes.

This is why bone broth shows up in postpartum traditions everywhere—from Chinese zuo yuezi (where it's often pork bone-based) to Mexican la cuarentena (chicken soup with specific herbs) to Korean sanhujori (seaweed soup with beef bone broth base). Different cultures, same intuition: give the new mother concentrated nourishment in easily digestible form.

The "warming" aspect matters too

In traditional medicine frameworks—Ayurveda, Traditional Chinese Medicine, and others—postpartum is considered a "cold" or depleted state. The body has just expended enormous energy. It needs warmth to recover. From a Western perspective, we might explain this differently: warm liquids are easier to digest, they provide comfort, they support circulation. But the practical wisdom is the same. A cup of hot broth feels restorative in a way that cold food doesn't—especially when you're exhausted and your digestion is sluggish from stress and hormonal shifts.

What makes bone broth different from regular stock

Not all broth is created equal. Here's what distinguishes real bone broth: Cooking time: Regular stock might simmer for 2-4 hours. Bone broth goes 24-48 hours (or longer). This extended cooking is what extracts the collagen and minerals. Bones used: Quality bone broth uses bones with lots of connective tissue—joints, knuckles, feet, necks. This is where the collagen lives. The gel test: Good bone broth jiggles when cold. If it stays liquid, you didn't extract enough gelatin. Ingredients: Many commercial "bone broths" are actually seasoned stock with added collagen. Not the same thing. This is why homemade (or carefully sourced) bone broth matters. The long simmer is what creates the nutritional density.

What the research actually says

I want to be careful here—because bone broth gets overclaimed in wellness spaces. What we know:

Glycine supplementation has been studied for sleep quality and shows positive effects (*4).

Collagen-derived amino acids are used by the body for connective tissue synthesis (*5).

Bone broth provides a bioavailable form of minerals including calcium, magnesium, and phosphorus (*6).

Glutamine supports gut barrier function, particularly under stress conditions (*7).

What we don't have:

Large clinical trials specifically on bone broth consumption in postpartum

Definitive proof that drinking broth is superior to other protein sources

The reasonable conclusion: Bone broth provides concentrated, easily digestible amino acids and minerals that support processes relevant to postpartum recovery. It's not a magic cure—but it's genuinely nourishing food with a reasonable scientific basis.

How to incorporate it

You don't need to drink bone broth by the gallon. Here are practical ways to include it: Sip it warm. A mug of broth in the morning or evening is grounding and hydrating. Use it as a base. Cook grains in broth instead of water. Make soups and stews with it. Add it to recipes. Anywhere you'd use stock or water—rice, sauces, braised vegetables—use broth instead. Keep it accessible. Having broth in the freezer (or a good quality shelf-stable option) means you're more likely to use it. For postpartum specifically, I'd suggest aiming for at least one serving daily during the first 6-8 weeks, then continuing as feels good.

If you're making it yourself

A basic bone broth formula: Ingredients:

2-3 lbs bones (beef, chicken, pork, or a mix)

2 tablespoons apple cider vinegar (helps extract minerals)

Water to cover

Optional aromatics: onion, celery, garlic, bay leaf

Method: 1. Place bones in a large pot or slow cooker 2. Add vinegar and enough water to cover by 2 inches 3. Bring to a boil, then reduce to a low simmer 4. Simmer 24-48 hours (longer = more extraction) 5. Strain and cool 6. If it jiggles when cold, you did it right Tips:

Roasting bones first adds flavor

Skim foam in the first hour

Add aromatics in the last 2-4 hours to preserve flavor

Store in jars in the freezer (leave headspace for expansion)

If you don't want to make it

I get it. Postpartum is not the time to start a 48-hour cooking project. Options:

Source it locally. Many farmers markets and butchers sell bone broth.

Quality brands. Look for brands that list cooking time and use actual bones (not just collagen powder). The ingredient list should be short.

Pre-made postpartum meals. Many postpartum meal services (including ours) build bone broth into the meals so you get the benefits without extra effort.

The goal is access to nourishment, not culinary achievement.

A note on expectations

Bone broth is not going to:

Cure postpartum depression

Magically heal you overnight

Replace sleep or other forms of rest

Substitute for medical care if you need it

Bone broth is going to:

Provide your body with building blocks it can use

Offer warm, easy-to-digest nourishment

Support the repair work your body is already doing

Make you feel cared for (seriously, there's something about a warm mug)

It's one piece of a larger picture. And it's a good piece.

The bigger pattern

Here's what I find remarkable: Across cultures—before scientific papers, before we understood amino acids—people figured out that simmering bones for a long time created something restorative. They gave it to the sick, the elderly, and new mothers. Now we have the science to explain why it works. But the wisdom came first. This is true of so much traditional postpartum food: the warming spices, the easy-to-digest preparations, the emphasis on nourishment over restriction. Science is catching up to what grandmothers already knew.

"Good broth resurrects the dead." — South American proverb

The Science of Bone Broth (And Why It's a Postpartum Staple)