Vitamin D
Vitamin D supports serotonin and calcium balance to steady mood and muscle function. Its anti-inflammatory effects help lower prostaglandins and inflammatory cytokines, easing cramps and tension before your period.
- Mood
- Cramps
- Hormone support
25 µg Vitamin D3 (cholecalciferol).
Vitamin D can be sourced from foods such as oily fish (salmon, sardines, mackerel), egg yolks and fortified dairy - though sunlight remains the primary natural source.
Fun fact: you’d need to eat around ten eggs every day to match the vitamin D in one Evelyn capsule.
- Supports mood and steady energy
- Reduces inflammation and menstrual cramping
- Supports healthy hormone regulation
Clinical studies show vitamin D supplementation can reduce menstrual pain by lowering prostaglandins and easing inflammation. Evidence for benefits on mood, bloating and other PMS symptoms is promising but still emerging, particularly in women with low vitamin D levels.
Research rating: Strong
The Evelyn Routine and Cycle Support
Vitamin B6
Vitamin B6 supports the production of serotonin, dopamine and GABA – neurotransmitters that help steady mood, stress and sleep. It also aids hormone metabolism, which may ease bloating, breast tenderness and irritability before your period.
- Mood
- Energy
- Hormone support
45 mg Vitamin B6.
Vitamin B6 can be sourced from foods such as chickpeas, bananas, salmon, potatoes and poultry.
Fun fact: you’d need to eat about 40 bananas every day to match the vitamin B6 provided in one Evelyn serving.
- Eases mood swings and irritability
- Supports calm, steady energy
- Promotes healthy hormonal support
Vitamin B6 has been studied for over three decades, showing consistent benefits for mood symptoms such as irritability and anxiety. Trials using 50–100 mg per day report modest improvements, with magnesium or calcium combinations showing enhanced effects.
Research rating: Good
Omega 3 (DHA & EPA)
Algae-derived DHA and EPA modulate inflammatory mediators and neurotransmitter signalling. They help lower prostaglandin activity, support serotonin balance and promote steadier hormonal fluctuations across the cycle.
- Inflammation
- Mood
- Hormone support
1,500mg omega-3s delivering 600mg DHA and 200mg EPA
Omega 3 can be sourced from foods such as oily fish (salmon, sardines, mackerel), algae, flaxseed, chia or walnuts.
Fun fact: you’d need to eat nearly three large portions of salmon every day to match this amount.
- Helps reduce irritability and mood changes
- Eases breast tenderness and bloating
- Supports natural hormone regulation
Clinical studies show omega-3 supplementation reduces both psychological and physical PMS symptoms, including low mood, anxiety, bloating and breast tenderness, via anti-inflammatory and neuromodulatory effects.
Research rating: Good
Curcumin (Turmeric extract)
Curcumin supports a healthy inflammatory response and hormone balance - helping ease cramps, bloating and low mood before your period. Its antioxidant activity also supports overall cycle comfort and resilience.
- Inflammation
- Cramps
- Mood
232 mg Curcumin extract (standardised to 95% curcuminoids).
Curcumin is the active compound found in turmeric root, a spice commonly used in Indian and Southeast Asian cooking.
Fun fact: you’d need to eat around six teaspoons of turmeric powder every day to match the curcumin in one Evelyn serving.
- Reduces inflammation and menstrual pain
- Helps ease bloating and discomfort
- Supports mood and overall wellbeing
Clinical studies show curcumin can reduce PMS and menstrual pain by lowering prostaglandins and inflammatory markers. It may also support mood through antioxidant and serotonin-modulating effects. Combination studies with omega-3s and vitamin D show further symptom reduction.
Research rating: Good
Magnesium
Magnesium supports serotonin function and muscle relaxation, helping calm the body, ease cramps and reduce irritability before your period. Evelyn’s formula combines magnesium citrate and bisglycinate for optimal absorption and gentle digestion.
- Cramps
- Stress
- Sleep
280 mg Magnesium (as citrate and bisglycinate).
Magnesium can be sourced from foods such as pumpkin seeds, almonds, spinach, avocado and dark chocolate.
Fun fact: you’d need to eat around 25 avocados every day to match the magnesium in one Evelyn serving.
- Relieves cramps and muscle tension
- Supports relaxation and deeper sleep
- Helps reduce anxiety and irritability
Clinical studies show magnesium can reduce PMS symptom severity, particularly cramps, anxiety and sleep issues. It supports muscle relaxation, regulates stress hormones and improves mood, with added benefits when combined with vitamin B6.
Research rating: Good
Saffron
Saffron’s active compounds, crocin and safranal, increase serotonin by inhibiting its reuptake in the brain. This helps regulate mood and ease stress, while their antioxidant and anti-inflammatory effects may relieve mild cramps and fatigue.
- Mood
- Stress
- Hormone support
30 mg Saffron extract (standardised to 5% crocins).
Saffron is derived from the dried stigmas of the Crocus sativus flower and can be used as a spice in small amounts for flavour and colour.
Fun fact: you’d need around 1,500 saffron flowers every day to match the active compounds in one Evelyn serving.
- Enhances mood and emotional wellbeing
- Reduces PMS-related stress and tension
- Supports relaxation and positivity
A small number of clinical trials show that saffron extract can improve mood and emotional PMS symptoms when taken in the luteal phase. While results are promising, studies are limited in size and duration, so saffron is best considered a supportive option for emotional wellbeing.
Research rating: Strong
Omega 6 (GLA)
Gamma linolenic acid (GLA) supports the production of anti-inflammatory prostaglandins and helps regulate hormone-related tissue sensitivity. It can ease breast pain, fluid retention and irritability, promoting overall comfort before your period.
- Inflammation
- Hormone regulation
- Breast comfort
1,500mg omega-6 from evening primrose oil, providing 150 mg GLA.
Omega-6 can be sourced from plants such as evening primrose seeds, borage oil and black currant seed oil.
Fun fact: you’d need to eat around 20 teaspoons of evening primrose seeds every day to match this amount.
- Helps regulate inflammation and hormone activity
- Reduces breast tenderness and fluid retention
- Supports emotional balance and overall comfort
Clinical studies show evening primrose oil reduces PMS-related breast pain and irritability by improving prostaglandin balance and moderating inflammatory responses.
Research rating: Good
Probiotic (Cyclebiotics®)
Our custom 5-strain probiotic blend supports gut and hormone balance by improving digestion, reducing bloating and supporting mood. A healthy gut microbiome helps optimise nutrient absorption and hormone regulation throughout the cycle.
- Bloating
- Digestion
- Hormone support
65 billion CFU multi-strain probiotic complex.
Probiotics are live beneficial bacteria naturally found in fermented foods such as yoghurt, kefir, sauerkraut and kimchi.
Fun fact: you’d need to eat around 2 kilograms of live Greek yoghurt every day to match the probiotics in one Evelyn capsule.
- Reduces bloating and supports digestive comfort
- Helps regulate mood and energy through the gut–brain axis
- Supports overall hormonal and immune balance
Research shows that probiotics can support gut–brain and hormone pathways, improving digestion, bloating and emotional wellbeing. Evelyn’s 5-strain, 65 billion CFU complex targets the gut–hormone connection to promote balance and comfort across the cycle.
Research rating: Emerging
Chasteberry
(Vitus agnus-castus)
Chasteberry enhances dopamine activity in the brain, which lowers prolactin levels and helps relieve PMS symptoms such as breast tenderness, bloating, and mood changes in the days before your period. It is one of the more studied herbal options for PMS.
- Mood
- Breast tenderness
- Bloating
20 mg Chasteberry extract (Vitex agnus-castus).
Chasteberry can be sourced from the dried fruit of the Vitex agnus-castus tree, a Mediterranean plant traditionally used for menstrual and reproductive health.
Fun fact: you’d need to consume around 30 whole chasteberries every day to match the concentrated extract in one Evelyn capsule.
- Helps reduce irritability and mood changes
- Eases breast tenderness and bloating
- Supports natural hormone regulation
Multiple RCTs and a systematic review show chasteberry extracts significantly improve PMS symptoms (particularly breast pain, irritability and low mood) compared with placebo, although study sizes are modest and different extract preparations were used.
Research rating: Strong
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Chromium picolinate
Chromium supports healthy blood sugar regulation - helping reduce cravings, energy crashes and mood swings during the luteal phase. By improving insulin sensitivity, it can promote steadier energy and fewer premenstrual food cravings.
- Cravings
- Energy
- Mood
200 µg Chromium (as chromium picolinate).
Chromium can be sourced from foods such as whole grains, broccoli, green beans and nuts.
Fun fact: you’d need to eat around 10 large heads of broccoli every day to match the chromium provided in one Evelyn serving.
- Helps reduce sugar cravings and overeating
- Supports balanced energy and concentration
- Promotes a steadier mood before your period
Chromium picolinate supports insulin sensitivity and glucose regulation, with studies suggesting benefits for mood stability and appetite control. Evidence for PMS-specific effects is limited but emerging, particularly around cravings, energy and fatigue.
Research rating: Emerging
Piperine
Piperine, a compound in black pepper, enhances absorption of nutrients like curcumin and magnesium. By supporting these nutrients, it may aid inflammation, energy and hormonal processes throughout the cycle.
- Inflammation
- Energy
- Hormone support
5 mg Piperine (from black pepper extract).
Piperine is a natural alkaloid found in black pepper, commonly used as a spice and known to enhance nutrient absorption, particularly curcumin.
Fun fact: you’d need to grind around one teaspoon of black pepper every day to match the piperine in one Evelyn serving.
- Enhances absorption of other active ingredients
- Reduces inflammation and oxidative stress
- Supports energy, focus and overall comfort
Studies show piperine enhances the bioavailability of curcumin and other nutrients, amplifying their antioxidant and anti-inflammatory effects. Evidence for direct effects on mood, energy or PMS symptoms is limited, but emerging research suggests indirect benefits through improved nutrient absorption.
Research rating: Good
Calcium
Calcium supports hormone-responsive tissues and helps the body adapt to natural hormonal changes across the menstrual cycle. By influencing parathyroid hormone and vitamin D metabolism, it may reduce PMS symptoms such as mood swings, cramps and bloating.
- Cramps
- Mood
- Energy
450 mg Calcium (as calcium carbonate).
Calcium can be sourced from foods such as leafy greens, dairy products, tofu, almonds and sesame seeds.
Fun fact: you’d need to eat around eight bags of raw spinach every day to match the calcium in one Evelyn serving.
- Reduces menstrual cramps and muscle tension
- Supports stable mood and energy
- Helps ease fatigue and irritability
Clinical studies suggest calcium can help reduce PMS symptoms such as mood swings, bloating and fatigue. Typical study doses range from 500–1,200 mg per day, with benefits appearing greater when combined with nutrients like vitamin B6 and vitamin D.
Research rating: Strong
Vitamin C
Vitamin C is a powerful antioxidant that supports hormone production, energy metabolism and immune health. Its antioxidant and anti-inflammatory properties may help the body manage fatigue and support overall wellbeing throughout the menstrual cycle.
- Inflammation
- Energy
- Mood
25 mg Vitamin C (as ascorbic acid).
Vitamin C can be sourced from foods such as citrus fruits, kiwifruit, strawberries, peppers and broccoli.
Fun fact: you’d need to eat around four oranges every day to match the vitamin C in one Evelyn serving.
- Reduces inflammation and oxidative stress
- Supports energy and immune function
- Helps stabilise mood and hormone activity
Some small clinical studies suggest vitamin C may support antioxidant defences and emotional symptoms in PMS, with emerging research linking lower vitamin C levels to greater symptom severity. However, trials of vitamin C alone or with B vitamins and magnesium remain limited, so current evidence is still early.
Research rating: Emerging
L-Theanine
L-Theanine, an amino acid naturally found in green tea, helps calm the nervous system and reduce stress without causing drowsiness. It supports relaxation, focus and emotional steadiness in the days before your period, helping you stay centred and clear-headed.
- Calm
- Focus
- Stress
125 mg L-Theanine.
L-Theanine is an amino acid naturally found in green and black tea leaves, known for promoting calm focus without drowsiness.
Fun fact: you’d need to drink around ten cups of green tea every day to match the L-theanine in one Evelyn serving.
- Promotes calm and focus
- Helps reduce anxiety and irritability
- Supports emotional balance before your period
Clinical studies show L-Theanine increases alpha brain waves linked with relaxation and reduces stress-related tension and anxiety. While PMS-specific evidence is limited, research in healthy adults suggests it may support calm, focus and stress resilience during the luteal phase.
Research rating: Emerging
FAQ’S
Still wondering if it’s right for you? Here are some of the most common questions from our community.
Most people feel improvements within 1–2 cycles, especially with daily support. Some ingredients, like tryptophan and magnesium, work within hours or days, whereas others, like probiotics and omega-3s, take longer to build up. Consistency is key.
What makes Evelyn different is that we listen to women’s voices just as closely as we listen to the science. Our products are built from real experiences and backed by clinical research - combining innovation, wellness, and medical insight to address not just symptoms, but the real-world challenges women face. Every formula features high-quality, bioavailable ingredients that work with your body’s natural rhythms. We prioritise efficacy, transparency, and trust.
Absolutely. You have full flexibility to manage your account however you need. You can change your delivery date, skip an upcoming order, cancel your subscription, or swap in different products whenever you wish. Everything can be managed quickly through your account portal - no commitments, no hassle.
Yes! Our products are 100% vegan, free from artificial additives, gluten, dairy, and other common allergens.