Your hormones run the show
Hormones influence almost everything: your mood, sleep, weight, energy, temperature and even how clearly you think. During perimenopause and menopause, levels of oestrogen and progesterone fluctuate and then steadily decline. This drop affects other hormones like cortisol and insulin. For many women, that can mean hot flushes, weight gain, brain fog, anxiety, low mood and disrupted sleep all at once. Menopause is a natural stage of life. The right nutrition can have a profound effect on how you feel as you move through it.
MENOPAUSE SYMPTOMS
What's in Eve Shakes and how they support hormone balance
Falling oestrogen, rising cortisol and unstable blood sugar are the three key drivers of how you feel in menopause. Eve Biology shakes are formulated to support all three — with plant protein to preserve muscle and steady appetite, prebiotic fibre to support oestrogen clearance via the gut, botanical adaptogens to help buffer cortisol, and slow-release carbs to keep blood sugar stable throughout the morning.
INGREDIENTS
How we think about protein and carbs at Eve Biology
At Eve Biology, we use adequate protein and a lower, smarter carbohydrate approach to support women through menopause. Protein helps maintain lean muscle, which is closely linked to a healthy metabolism and strength as we age. By keeping carbs moderate we can support more stable blood sugar and reduce big swings in appetite. This often means:
How much protein do women in midlife need?
Protein helps to prevent muscle weakness and also helps to reduce sugar cravings. Most of us underestimate the amount of protein we're eating. Our nutritionists recommend women over 40 start from 1.2g per kg of bodyweight.
Supports Blood Sugar Balance
Each Eve Biology shake is designed to be kind to your blood sugar. The combination means a slower, steadier release of energy than you’d get from toast, cereal, a pastry or a vending-machine lunch. For many women, starting the day with a shake instead of a high-sugar breakfast is enough to noticeably reduce mid-morning crashes and desperation for snacks.
Cortisol, Stress and Weight Gain in Menopause
Cortisol is your body's primary stress hormone — and in menopause, it becomes harder to keep in check. As oestrogen and progesterone decline, the body loses some of its natural buffering against cortisol, meaning everyday stress hits harder and stays higher for longer.
Chronically elevated cortisol drives fat storage around the abdomen, increases sugar cravings, disrupts sleep and can suppress the very hormones you're trying to support. For many women, this is the missing piece — they're eating well but still struggling, because stress is working against them.
Eve Biology shakes contain botanical adaptogens specifically chosen to help the body manage its stress response. Combined with stable blood sugar from protein and fibre, they help reduce the cortisol spikes that make menopause harder to navigate.
- Adaptogens to support the body's stress response
- Stable blood sugar to reduce cortisol-driven cravings
- Supports more restful sleep by calming the evening cortisol rise
Healthy Fats and Hormone Production
Hormones are made from fat. As oestrogen declines, the body's ability to produce and regulate hormones becomes more dependent on the quality of fats in your diet. At the same time, falling oestrogen increases cardiovascular risk — making the type of fat you eat more important than ever. Eve Biology shakes contain a measured amount of supportive fats within a balanced macro profile, not the refined or inflammatory fats found in ultra-processed foods.
- Supports cardiovascular health as oestrogen protection declines
- Helps sustain energy without blood sugar spikes
- Reduces reliance on high-sugar foods for energy
One Shake, Multiple Benefits
Our versatile meal replacement shake is made to EFSA criteria for weight control, is packed with protein, fibre, essential vitamins and minerals and botanical adaptogens.
Supports weight loss and maintenance
Supports energy levels
Supports digestive health
Supports sleep and stress resilience
How Eve Biology shakes fit into a hormone-supportive day
Hormone-supportive recipes and meal plans
What you eat around your shakes matters. Blood sugar stability, adequate protein and the right fats all influence how oestrogen, cortisol and insulin behave day to day. Our nutritionist-designed evening meals and snacks are built to support that — high in protein to preserve muscle, lower in refined carbs to keep blood sugar steady, and genuinely easy to cook.
- Designed by nutritionists — family friendly
- Lower refined carbs to support blood sugar and cortisol balance
- Protein-rich to preserve muscle mass and support sleep
- No calorie counting or restriction
The Rebalancing Shake
Formulated for women over 40
The right nutrition for where you are now
SHOP EVE
Our Experts - Recipe Developer and Nutritionist Sarah Flower
Sarah is a nutritionist, recipe developer and author. She specialises in gut health, hormones, and the immune system,Member of The Guild of Food Writers. FNTP (The Federation of Nutritional Therapy Practitioners) and NNA (Naturopathic Nutrition Association)
Our Experts - Nutritionist Claire Thomas
Claire specialises in nourishment to support resilience and energy levels, particularly for women in midlife. She holds a Nutritional Therapy degree from CNELM, a Postgraduate Diploma in Personalised Nutrition and Personalised Nutrition Practice Diploma, plus Postgraduate Certificates in Clinical Education and Healthcare Leadership.
5 Day Menopause Diet
The right nutrition can help to control weight, target symptoms and increase gut health to help rebalance hormones. We have a Monday to Friday routine which does just that.
5 day diet
Consumer Study
We took women between the ages of 45 and 65 through a 4 week program replacing breakfast and lunch with a shake 5 days a week for 4 weeks. See the changes to weight, bloating, anxiety, sleep and fat loss.
The Evidence
15 Versatile Vanilla, 15 Rich Chocolate
Rebalancing Shake Starter Pack Chocolate + Vanilla

FAQs | Eve Biology
Can shakes really help balance my hormones?
Shakes can’t replace your natural hormonal shifts or medical treatment, but awell-designed, nutritionally complete shakemakes it much easier to support the systems that influence hormone balance – including blood sugar regulation, muscle mass, heart health and gut health. Eve Biology is built to cover those bases consistently, so your body has what it needs day after day.
Is this just a low-carb or high-protein diet?
No. The Eve Biology approach is more nuanced. We:
- Keep carbohydrates moderate and focus on better-quality, higher-fibre sources
- Emphasise adequate protein at each meal to support muscle and metabolism
- Include healthy fats and a wide range of vitamins and minerals
- Encourage plenty of vegetables and whole foods around your shakes
It’s a structured, balanced way of eating, not an extreme diet.
Can diet really help with stress and cortisol in menopause?
Nutrition can't eliminate stress, but it can meaningfully affect how your body responds to it. Stable blood sugar is one of the most important factors — when blood sugar drops, cortisol rises to compensate, which is why erratic eating patterns often make stress and anxiety feel worse in menopause. Protein and fibre at each meal help keep blood sugar steady throughout the day. Certain botanical adaptogens — including those in Eve Biology shakes — have evidence supporting their role in helping the body moderate its cortisol response. They won't replace sleep, rest or stress management, but as part of a consistent nutrition approach, they can take some of the edge off.
Which hormones does nutrition really affect in menopause?
Nutrition can influence several hormones that become harder to manage during menopause:
- Oestrogen — the gut microbiome plays a role in oestrogen metabolism and clearance. Adequate fibre supports a healthy gut environment, which in turn supports how oestrogen is processed
- Cortisol — blood sugar stability directly affects cortisol levels. High-sugar, low-protein diets tend to cause cortisol spikes; a balanced macro profile helps dampen them
- Insulin — protein and fibre slow glucose absorption, supporting insulin sensitivity which typically declines with age and falling oestrogen
- Ghrelin and leptin — the hunger hormones. Protein is the most effective macronutrient for supporting satiety signals and reducing ghrelin-driven cravings
Nutrition can't restore oestrogen or progesterone to pre-menopausal levels — that's what HRT does. But it can support the hormonal environment that makes menopause more manageable.
Can I still enjoy social meals or treats?
Yes. The plan is designed to fit real life. Many women use their high-protein evening meal as theirflexible meal, and we help them make choices that support their goals while still enjoying food out, family dinners or occasional treats. The shakes make it easier to get back on track the next day without starting from scratch.
Can I use Eve Biology if I’m on HRT?
In most cases, yes – nutrition and HRT can work very well together. Eve Biology focuses on food-based support: protein, fibre, healthy fats and micronutrients. If you’re on HRT or other medication, it’s always a good idea to discuss dietary changes and meal-replacement plans with your GP or specialist.
Is it safe to replace two meals a day with shakes?
For many generally healthy adults, replacing one or two meals a day with a nutritionally complete shake is safe and can be an effective way to manage weight and improve diet quality. It’s important that your remaining meal is balanced and satisfying, and that you’re not severely undereating. If you have a medical condition (such as diabetes, kidney disease, heart disease or an eating disorder), please seek personalised advice before making changes.
How quickly will I notice a difference?
Every woman is different, but many notice:
- More stable energy and fewer cravings within a couple of weeks
- A gentler relationship with food as decision fatigue eases
- Changes in weight and body composition over a longer period with consistent use of the plan and, ideally, some movement or strength training
The key is consistency, not perfection.