How supporting your liver can help balance hormones

Your liver plays a crucial role in hormonal balance, and supporting it is key, especially in perimenopause, says integrative medicine physician Dr Jennifer Pfleghaar. Here’s how to look after your liver for better health

Emily came to me tired and struggling with weight loss, and her hormones were off. I got her started on a liver cleanse. She lost 11 pounds and got her energy back.

Over time, I’ve seen repeatedly that when the liver becomes sluggish or overburdened—from toxins, a poor diet or hormonal imbalances—your body can hold on to excess weight, inflammation and fat. By supporting healthy liver detoxification pathways with diet, supplements and lifestyle changes, you can improve hormone metabolism, reduce inflammatory load and make it easier for your body to release stored weight and regain vitality.

The liver and estrogen

Supporting the liver is crucial for detoxifying estrogen and reducing estrogen dominance—high estrogen relative to progesterone—which is common in perimenopause, the transitional phase leading up to menopause. Symptoms linked to estrogen dominance include heavy periods, fatigue, weight gain and mood swings (see below).

Think of your body as a bustling city. In this example, estrogen is an essential product manufactured in factories (your ovaries, adrenal glands and fat tissues). Just like with any product, there are leftovers and packaging that need to be managed once the factory has done its job. If this waste isn’t properly collected, sorted, processed and discarded, it can accumulate and create chaos in the city (your body).

Here’s a look at the process of estrogen detoxification in the body and why it’s vital to keep it working efficiently.

Phase 1 detoxification: the sorting center

What happens: In the liver, enzymes from the cytochrome P450 family perform the first step of estrogen detox. This is like a factory where waste products are “tagged” or “broken down” into smaller, easier-to-handle forms. However, these intermediate products can be unstable, like a half-filled garbage bag that might spill if not quickly handled.

The three estrogen “trash bins”

1. 2-OH (2-hydroxyestrone): The green bin (recyclable). This is the safest form, promoting hormonal balance and minimal damage.
2. 4-OH (4-hydroxyestrone): The hazardous waste bin. It can leak into the system and cause harm, including DNA damage, if not quickly processed and removed.
3. 16-alpha-OH (16-alpha-hydroxyestrone): The bulky trash bin. This form is less harmful but can still lead to issues like excessive tissue growth (e.g., fibroids or cancer risk).

If Phase 1 is sluggish or overly active, you may end up with an overflow of harmful intermediates. This is why antioxidants are critical—they act like safety officers, preventing these intermediates from causing oxidative damage.

Think of the metabolites like this: 2-OH (the good), 16-alpha-OH (the bad) and 4-OH (the ugly). You want to stick mostly to the good pathway. Estrogen metabolite testing is a window into your personalized estrogen detoxification pathways.

Phase 2 detoxification: waste packaging

What happens: Now that the garbage is sorted, it’s time to package it for transport. The liver uses enzymes that wrap up the estrogen metabolites with chemical groups like these:

• Methylation: Adds a “methyl tag” for safe shipping.
• Glucuronidation: Like bubble wrap, it secures the metabolites in a water-soluble form.
• Sulfation: Adds a sulfur tag, acting as a biohazard sticker.

Imagine the liver as a packaging plant with conveyor belts:

1. Estrogen intermediates come in from Phase 1.
2. The enzymes (workers) package each item based on its type.
3. They’re loaded onto trucks (bile or bloodstream) for transport out of the body.

If Phase 2 is inefficient, the hazardous estrogen intermediates remain unpackaged, roaming the system and causing havoc. These “unfinished” estrogen byproducts can damage cells, increase inflammation and contribute to hormone-related problems like premenstrual syndrome (PMS), weight gain and even higher cancer risk over time.

Nutrients like B vitamins, especially B6, B9 and B12 (pyridoxine, folate and cobalamin respectively), magnesium and SAMe are critical because they fuel the enzymes that finish processing and safely package estrogen for elimination.

The gut: the final shipping depot

Packaged estrogen metabolites arrive in the gut via bile, a digestive juice produced by the liver. Here, the gut microbiome acts like customs officers, ensuring the garbage is shipped out of the body in the stool.

Sometimes mischievous bacteria produce an enzyme called betaglucuronidase, which acts like a corrupt customs officer. It unpacks the garbage, sending estrogen back into circulation. This reentry of estrogen creates estrogen dominance (see below).

A fiber-rich diet acts like a traffic system, keeping everything moving smoothly toward the exit (your stool). Probiotics help by maintaining a balanced microbiome, reducing beta-glucuronidase activity.

Calcium D-glucarate (CDG) can also help shuttle the estrogen metabolites out of the gut. It’s a natural compound that supports estrogen detoxification, making it particularly beneficial for women in perimenopause, who often experience estrogen dominance. CDG enhances the liver’s detox pathways by promoting glucuronidation.

Think of glucuronidation as a luggage-tagging system at an airport: CDG is like a vigilant recycling supervisor who ensures every piece of estrogen luggage is tagged for disposal. It prevents reabsorption of estrogen in the gut by inhibiting beta-glucuronidase, an enzyme that can “rip off the tags,” sending waste estrogen back into circulation.

Key support strategies

Proper detox pathways are important for three main reasons:

1. To balance hormones. Proper detox prevents estrogen dominance, keeping hormones like progesterone, testosterone and cortisol in check.
2. To reduce cancer risk. Poor detox leads to a buildup of harmful estrogen metabolites (like 4-OH), increasing DNA damage and cancer risk.
3. To promote overall health. Efficient detoxification supports a healthy gut, reduces inflammation and boosts energy.

Here are some simple ways to keep them working smoothly.

Phase 1 support

• Eat cruciferous vegetables like broccoli and cauliflower for indole-3-carbinol (I3C), which favors the protective 2-OH pathway.
• Consume antioxidant-rich foods and drinks like berries, red grapes, oranges, leafy greens and green tea, and consider supplements like I3C, diindolylmethane (DIM) and liver support botanicals (see below).

Phase 2 support

• Ensure adequate intake of B vitamins, magnesium and sulfur-rich foods like garlic and onions.
• Use supplements like N-acetylcysteine (NAC; see below) or glutathione if needed.

Gut support

• Maintain a fiber-rich diet with low-glycemic fruits and vegetables.
• Use probiotics to balance your gut microbiome and CDG if needed.
• Incorporate prebiotic foods and supplements such as artichokes, beets, chicory root, pomegranate and acacia fiber.
• Avoid processed foods and excess alcohol (see below), which can disrupt gut health.

Liver health supplements

Certain supplements can help to support the liver and detoxify estrogen. It’s best to consult a qualified practitioner who can organize tests like estrogen metabolite testing and recommend the right supplements and dosages for you. But here are the top ones to consider and why they’re important.

Milk thistle (Silymarin)

• Supports Phase 1 and 2 liver detox pathways, promoting the breakdown and elimination of hormones like estrogen.
• Acts as an antioxidant to protect liver cells from damage.

Think of milk thistle as the city’s waste processing plant making sure estrogen is efficiently broken down.

Suggested dosage: 150 mg daily

N-acetylcysteine (NAC)

• Increases glutathione, the liver’s master antioxidant, enhancing detoxification.
• Reduces oxidative stress and supports the liver’s ability to process excess hormones.

Suggested dosage: 600 mg daily

Sulforaphane

• Activates liver enzymes that metabolize estrogen into safer, less active forms.
• Promotes healthy estrogen metabolism via the 2-OH pathway, reducing estrogen dominance risks.
• Broccoli sprouts are the best source, but it’s also found in other sulfurous veggies, like broccoli, brussels sprouts, cabbage, kale and watercress.

Suggested dosage: 10–20 mg daily

Indole-3-carbinol and diindolylmethane

• I3C and DIM support healthy estrogen metabolism by promoting the conversion of estrogen into its protective 2-OH form, reducing estrogen dominance risks.
• Aid liver detoxification by enhancing the breakdown and elimination of excess estrogen and toxins.

Suggested dosage: 100–200 mg of each daily

Dandelion root

• Supports bile production and flow. Bile is essential for digesting fats and removing toxins, including excess hormones like estrogen, from the body.
• Dandelion root is like a plumber who unclogs the pipes (bile ducts), ensuring that waste flows out smoothly and the house (your body) stays clean.

Suggested dosage: 500 mg daily

Turmeric

• Rich in curcumin, turmeric is a potent anti-inflammatory and antioxidant that protects liver cells from damage.
• Enhances liver detox pathways, particularly Phase 2 detoxification, which is crucial for metabolizing estrogen and other hormones.
• Like a fire extinguisher for the liver, quelling inflammation and allowing the detoxification machinery to work safely and efficiently.

Suggested dosage: 500 mg daily

Artichoke leaf

• Stimulates bile production and protects liver cells.
• Contains cynarin, which supports both fat digestion and toxin elimination.
• Improves bile flow, which helps remove excess estrogen, reducing risks of hormonal imbalances that can lead to PMS, fibroids or estrogen-driven cancers.

Suggested dosage: 320 mg daily

Other ways to love your liver

Combined with a healthy diet, the right supplements and reductions in your exposure to everyday toxins (see below), these practices can help to support your liver so it can do the work it was designed to do.

Dry skin brushing

How it works: Stimulates the lymphatic system by promoting movement of lymph fluid and exfoliating the skin.

Benefits: Clears toxins through the lymphatic system, supports circulation and improves skin health.

How to do it: Use a natural-bristle brush to gently brush your skin in long, upward strokes toward the heart before showering.

Jumping on a trampoline

How it works: Rebounding exercises stimulate lymphatic circulation through rhythmic movement, encouraging lymph flow and detoxification.

Benefits: Boosts lymphatic drainage, improves circulation and supports cardiovascular health.

How to do it: Bounce on a mini trampoline for 10–15 minutes daily.

Castor oil packs

How it works: Castor oil penetrates the skin, increasing circulation and promoting lymphatic flow while supporting liver detox.

Benefits: Reduces inflammation, enhances lymphatic drainage and stimulates liver detoxification.

How to use it: Soak a cloth in castor oil, place it over the liver area, cover with plastic wrap and apply heat with a hot water bottle for 20–60 minutes, or use with a castor oil pack and leave on overnight.

Epsom salt baths

How it works: Epsom salts are rich in magnesium, which supports relaxation, detoxification and healthy liver function.

Benefits: Can help relax muscles, draw out toxins through the skin and reduce inflammation. How to use it: Dissolve 1–2 cups of Epsom salt in a warm bath and soak for 20 minutes.

Better balance

Supporting your liver with diet, supplements, lifestyle changes and gentle detox practices

is not about achieving perfection or following the latest trend—it’s about helping your body work as it’s supposed to, especially during the unique challenges of perimenopause. These choices help lay a foundation for clearer thinking, steadier energy and balanced hormones at a time in life when your body is already going through profound change.

Understanding estrogen dominance

Estrogen dominance occurs when estrogen levels are too high relative to progesterone. This imbalance can happen even if estrogen levels are normal, but progesterone levels are low, which is common during perimenopause.

Why it happens in perimenopause

• Progesterone production drops as ovulation becomes irregular, while estrogen may still fluctuate wildly.
• Environmental xenoestrogens (estrogen mimics found in plastics, pesticides and personal care products) can amplify estrogenic effects.
• Poor liver detoxification or gut health may prevent estrogen from being properly broken down and eliminated.

Symptoms

• Heavy or irregular periods
• Breast tenderness
• Bloating and weight gain, especially around the abdomen
• Mood swings, irritability or anxiety
• Fatigue
• Reduced sex drive

Why alcohol is bad for the liver and hormones

Think of your liver as a busy office responsible for sorting out all the paperwork (metabolic tasks) that keeps your body running smoothly. Each day it handles tasks like processing nutrients, detoxifying harmful substances and balancing hormones like estrogen.

But then alcohol walks into the office like an urgent project with a flashing red “Priority!” stamp. Everything else—including managing hormones—gets shoved to the back burner while the liver scrambles to deal with this new, pressing task.

Here’s a breakdown of what happens when you drink:

1. Alcohol takes priority

• Alcohol is treated like a toxic emergency by the liver. When you drink, your liver prioritizes metabolizing alcohol (turning it into less harmful substances like acetate) to prevent it from poisoning the body.
• Imagine the office manager drops all ongoing work (like hormone regulation and detoxification) to focus on a sudden, urgent task. The rest of the office’s work piles up.

2. Hormones get neglected

• While the liver is metabolizing alcohol, it can’t efficiently break down excess estrogen. This means estrogen levels can rise in the body, potentially disrupting hormonal balance.
• Estrogen and other hormones are like important letters waiting to be filed. But the office is too busy with the “alcohol emergency,” so the letters just sit on the desk, creating clutter and throwing off the office’s efficiency.

15 ways to clean up your environment

The environmental pollutants we’re exposed to daily can gunk up the liver. Here are 15 steps to promote a cleaner, healthier environment and reduce your exposure to everyday toxins.¹

1. Plastic containers: Replace with glass or stainless steel to avoid BPA and other plasticizers.
2. Nonstick cookware: Opt for stainless steel or cast iron to avoid chemicals leaching into food.
3. Air fresheners: Use natural alternatives like essential oils, or open windows for ventilation.
4. Processed foods: Avoid foods with artificial preservatives, colors and flavors.²
5. Conventional produce: Choose organic foods whenever possible.³
6. Personal care products: Choose phthalate-free, paraben-free options for lotions, shampoos and cosmetics.⁴
7. Synthetic fragrances: Choose fragrance-free or naturally scented (essential oil) products.⁵
8. Tap water: Filter tap water to remove chemicals and heavy metals.⁶ Reverse osmosis is a great method, but make sure to add back in electrolytes.
9. Detergents: Swap for natural, fragrance-free options to reduce exposure to harsh chemicals.
10. Household cleaners: Replace with eco-friendly cleaners without chlorine, ammonia or bleach. Vinegar and baking soda can work great.
11. Fast food packaging: Avoid fast food and food packaged in coated paper to reduce exposure to PFAS (“forever chemicals” often used for grease-proofing). Bring your own to-go containers to restaurants.
12. Mattresses and bedding: Opt for organic or chemical-free options to reduce exposure to flame retardants and volatile organic compounds (VOCs).
13. Electronics: Minimize exposure to blue light and electromagnetic (EMF) radiation by unplugging electronics when not in use, especially in the bedroom.
14. Wearing shoes inside: Don’t wear shoes inside the home because they can track toxins in. Instead, change into slippers.
15. Medications and supplements: Check inactive ingredients on the label, or ask about them if you receive them from the pharmacy. They can contain food dyes, gluten and toxic fillers.⁷

Adapted from The Perimenopause Reset by Jennifer Pfleghaar (Best Seller Publishing, 2025)

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