FAQ

Quick answers, with sources.

120 common questions on everyday health, cycles, pregnancy, menopause and more.

Short answers to the questions women ask most, each linked to a full article with sources. General information only, not medical advice.

Everyday health

How long do normal period cramps last?

Usually 1 to 3 days, starting just before or as bleeding begins.

Read: Period Cramps: What’s Normal, What Helps and When It Could Be Endometriosis →

What is the fastest way to stop period cramps?

For most people, an anti-inflammatory painkiller such as ibuprofen taken at the first sign of pain, plus heat on the lower belly.

Read: Period Cramps: What’s Normal, What Helps and When It Could Be Endometriosis →

Are severe period cramps a sign of endometriosis?

They can be. Pain that painkillers don’t control, that worsens over time or comes with pain during sex or bowel movements should be checked.

Read: Period Cramps: What’s Normal, What Helps and When It Could Be Endometriosis →

When should I go to the ER for period pain?

For sudden severe pain, pain with fever or fainting, or pain with a positive pregnancy test.

Read: Period Cramps: What’s Normal, What Helps and When It Could Be Endometriosis →

How many pads a day is a heavy period?

There is no fixed number, but soaking through a pad or tampon every 1 to 2 hours for several hours is a common sign of heavy bleeding.

Read: Heavy Periods: How to Tell If Yours Are Too Heavy, and When to Get Checked →

Are blood clots in my period normal?

Small clots are common on heavier days. Clots larger than about 2.5 cm or frequent clots should be discussed with a doctor.

Read: Heavy Periods: How to Tell If Yours Are Too Heavy, and When to Get Checked →

Can heavy periods cause tiredness?

Yes. Heavy bleeding is a leading cause of iron deficiency, which can cause tiredness, breathlessness and hair shedding.

Read: Heavy Periods: How to Tell If Yours Are Too Heavy, and When to Get Checked →

What is the best treatment for heavy periods?

It depends on the cause and your plans for pregnancy. A hormonal IUD and tranexamic acid are among the most effective options.

Read: Heavy Periods: How to Tell If Yours Are Too Heavy, and When to Get Checked →

What is the difference between PMS and PMDD?

Both happen before a period and ease after it starts. PMDD has severe mood symptoms that disrupt daily life, while PMS is milder.

Read: PMS vs PMDD: Symptoms, How to Track Them and Treatments That Help →

How is PMDD diagnosed?

By daily symptom ratings over at least two cycles showing severe symptoms before periods that clear after bleeding starts.

Read: PMS vs PMDD: Symptoms, How to Track Them and Treatments That Help →

Can birth control help PMDD?

Some combined pills, especially drospirenone pills taken continuously, can help. SSRIs are also a first-line treatment.

Read: PMS vs PMDD: Symptoms, How to Track Them and Treatments That Help →

Does PMDD go away?

It continues while you have cycles but usually ends after menopause, and treatment can control symptoms in the meantime.

Read: PMS vs PMDD: Symptoms, How to Track Them and Treatments That Help →

What blood tests should I ask for if I am always tired?

Commonly a full blood count, ferritin (iron stores), thyroid TSH, vitamin B12 and blood sugar. Your doctor will tailor them to you.

Read: Always Tired? Iron, B12, Thyroid and Other Common Causes in Women →

Can low iron make you tired without anaemia?

Yes. Low ferritin can cause fatigue, hair shedding and breathlessness before haemoglobin falls into the anaemic range.

Read: Always Tired? Iron, B12, Thyroid and Other Common Causes in Women →

Why am I tired before my period?

Hormone shifts can disturb sleep and mood in the days before a period. Heavy periods can also lower iron over time.

Read: Always Tired? Iron, B12, Thyroid and Other Common Causes in Women →

Should I take iron supplements for tiredness?

Only after a blood test shows low iron. Too much iron can be harmful.

Read: Always Tired? Iron, B12, Thyroid and Other Common Causes in Women →

How do I know if I have a UTI or a yeast infection?

A UTI mainly causes burning and urgency when peeing. A yeast infection mainly causes itching and thick white discharge.

Read: UTI, BV or Yeast Infection? How to Tell the Difference →

Does BV go away on its own?

Sometimes, but it often needs antibiotics, and it should be treated if you are pregnant or have symptoms.

Read: UTI, BV or Yeast Infection? How to Tell the Difference →

Can a pharmacist treat a UTI in BC?

Yes. BC pharmacists can assess and prescribe treatment for uncomplicated UTIs in women.

Read: UTI, BV or Yeast Infection? How to Tell the Difference →

Is BV an STI?

No, but sex and new partners can increase the risk.

Read: UTI, BV or Yeast Infection? How to Tell the Difference →

What colour should normal discharge be?

Clear to white, and it may dry slightly yellow on underwear.

Read: Vaginal Discharge: What’s Normal Through Your Cycle, and What Isn’t →

Why do I have so much discharge?

Discharge increases around ovulation, in pregnancy and with some contraception. This is normal if it has no strong smell and no itching.

Read: Vaginal Discharge: What’s Normal Through Your Cycle, and What Isn’t →

Does egg-white discharge mean ovulation?

Clear, stretchy discharge usually appears in the days around ovulation, your most fertile time.

Read: Vaginal Discharge: What’s Normal Through Your Cycle, and What Isn’t →

When is discharge a sign of infection?

When it is green, yellow or grey, smells fishy or foul, or comes with itching, burning, pain or bleeding.

Read: Vaginal Discharge: What’s Normal Through Your Cycle, and What Isn’t →

Why am I so bloated before my period?

Hormone changes slow digestion and cause water retention in the days before a period. It usually eases once bleeding starts.

Read: Bloating in Women: Cycle, Gut and When It’s More Than Gas →

How do I get rid of bloating fast?

Walk, avoid fizzy drinks and gum, eat slowly, and ease constipation with water and fibre. Simethicone may help gas.

Read: Bloating in Women: Cycle, Gut and When It’s More Than Gas →

When is bloating serious?

When it happens most days for three weeks or more, or comes with weight loss, bleeding, early fullness or bowel changes.

Read: Bloating in Women: Cycle, Gut and When It’s More Than Gas →

Can bloating be a sign of ovarian cancer?

Persistent bloating is one of its early signs, though it is far more often caused by something common. Get it checked if it doesn’t go away.

Read: Bloating in Women: Cycle, Gut and When It’s More Than Gas →

How can I lower cortisol naturally?

Regular sleep and wake times, morning daylight, exercise, slow breathing, less late caffeine and alcohol, and time with people you trust.

Read: Stress, Cortisol and Sleep: What Actually Helps (and What Is Hype) →

Is cortisol belly real?

Long-term stress can affect appetite and weight, but you cannot diagnose a cortisol problem from belly shape. Real cortisol disorders are rare and need tests.

Read: Stress, Cortisol and Sleep: What Actually Helps (and What Is Hype) →

What is the best treatment for insomnia?

Cognitive behavioural therapy for insomnia (CBT-I) is the recommended first treatment.

Read: Stress, Cortisol and Sleep: What Actually Helps (and What Is Hype) →

Do cortisol supplements work?

There is little good evidence for them, and some can interact with medicines.

Read: Stress, Cortisol and Sleep: What Actually Helps (and What Is Hype) →

What does hormonal acne look like?

Deep, tender spots on the chin, jaw and neck that often flare before a period.

Read: Hormonal Acne and Hair Shedding in Women: Causes and Treatments That Work →

What is the best treatment for hormonal acne?

Topical retinoids or benzoyl peroxide first; combined pills or spironolactone are effective prescription options for many women.

Read: Hormonal Acne and Hair Shedding in Women: Causes and Treatments That Work →

Why is my hair falling out in clumps?

Sudden shedding is often telogen effluvium after stress, illness, childbirth or rapid weight loss. Low iron and thyroid problems are other common causes.

Read: Hormonal Acne and Hair Shedding in Women: Causes and Treatments That Work →

Does biotin help hair loss?

Rarely, unless you are deficient, and it can affect some blood test results.

Read: Hormonal Acne and Hair Shedding in Women: Causes and Treatments That Work →

What is the most effective birth control?

IUDs and the implant, with fewer than 1 pregnancy per 100 users a year.

Read: Birth Control Options Compared, and What to Expect Coming Off the Pill →

How long after stopping the pill can I get pregnant?

Often within the first cycle. Fertility returns quickly for most people.

Read: Birth Control Options Compared, and What to Expect Coming Off the Pill →

Why are my periods worse after stopping the pill?

The pill often makes periods lighter and less painful. Stopping it reveals your natural cycle, and conditions like PMOS or endometriosis may reappear.

Read: Birth Control Options Compared, and What to Expect Coming Off the Pill →

Is birth control free in BC?

Since April 2023, BC covers many prescription contraceptives at no cost to residents.

Read: Birth Control Options Compared, and What to Expect Coming Off the Pill →

Is it normal to pee when you sneeze?

It is common, especially after childbirth and around menopause, but it is treatable and not something you have to accept.

Read: Leaking When You Sneeze? Pelvic Floor Basics for Every Age →

How long do Kegels take to work?

Most women notice improvement after about 3 to 6 months of daily exercises.

Read: Leaking When You Sneeze? Pelvic Floor Basics for Every Age →

How do I know if I am doing Kegels correctly?

You should feel a squeeze and lift inside without tightening your buttocks or holding your breath. A pelvic health physiotherapist can check.

Read: Leaking When You Sneeze? Pelvic Floor Basics for Every Age →

Can you fix bladder leaks without surgery?

Yes. Pelvic floor exercises improve or cure stress incontinence for most women.

Read: Leaking When You Sneeze? Pelvic Floor Basics for Every Age →

How often should I check my breasts?

There is no strict schedule. Get to know what is normal for you and check about once a month, a week after your period starts.

Read: Breast Self-Awareness: What to Check and When to See a Doctor →

Are breast lumps usually cancer?

No. Most lumps are cysts or fibroadenomas, but any new lump should be checked by a doctor.

Read: Breast Self-Awareness: What to Check and When to See a Doctor →

At what age can I get a mammogram in BC?

Women aged 40 to 74 at average risk can book a screening mammogram themselves through BC Cancer.

Read: Breast Self-Awareness: What to Check and When to See a Doctor →

Is breast pain a sign of cancer?

Breast pain is rarely a sign of cancer and is often linked to the cycle, but pain in one spot that does not go away should be checked.

Read: Breast Self-Awareness: What to Check and When to See a Doctor →

Which IUD is better, hormonal or copper?

Both are equally effective. Choose hormonal if you want lighter periods, copper if you want no hormones.

Read: Hormonal IUD vs Copper IUD: Which Is Right for You? →

Does the copper IUD make periods heavier?

Often, especially in the first 3 to 6 months. It can also increase cramps.

Read: Hormonal IUD vs Copper IUD: Which Is Right for You? →

Can an IUD be used as emergency contraception?

Yes. A copper IUD inserted soon after unprotected sex is the most effective emergency contraception.

Read: Hormonal IUD vs Copper IUD: Which Is Right for You? →

Is the IUD free in BC?

Yes. BC covers many prescription contraceptives, including IUDs, for residents.

Read: Hormonal IUD vs Copper IUD: Which Is Right for You? →

Is a menstrual cup better than tampons?

Cups hold more, can be worn longer (up to 12 hours) and are reusable for years, but take some practice to insert and remove.

Read: Period Underwear vs Menstrual Cup vs Pads vs Tampons: Which Should You Use? →

Can period underwear handle a heavy flow?

Heavy-flow styles can, but many people pair them with a cup or tampon on their heaviest days.

Read: Period Underwear vs Menstrual Cup vs Pads vs Tampons: Which Should You Use? →

How long can I wear a tampon?

No more than 8 hours. Use the lowest absorbency you need to lower the risk of toxic shock syndrome.

Read: Period Underwear vs Menstrual Cup vs Pads vs Tampons: Which Should You Use? →

Which period product is best for the environment?

Reusable options such as menstrual cups and period underwear create much less waste over time.

Read: Period Underwear vs Menstrual Cup vs Pads vs Tampons: Which Should You Use? →

PCOS

Is PMOS the same as PCOS?

Yes. PMOS is the new name for PCOS. The condition, diagnosis and treatment are the same.

Read: PCOS vs PMOS: What’s the Difference? →

When did PCOS change to PMOS?

The new name was announced in May 2026, with a transition period in which both names are used.

Read: PCOS vs PMOS: What’s the Difference? →

What does PMOS stand for?

Polyendocrine metabolic ovarian syndrome.

Read: PCOS vs PMOS: What’s the Difference? →

Do I need to be re-diagnosed with PMOS?

No. An existing PCOS diagnosis remains valid.

Read: PCOS vs PMOS: What’s the Difference? →

Menopause

How do I know if I am in perimenopause or menopause?

If you still have periods, even irregular ones, you are in perimenopause. Menopause is confirmed after 12 months without a period.

Read: Perimenopause vs Menopause: What’s the Difference? →

How long does perimenopause last?

About 4 years on average, though it can be shorter or last up to 10 years.

Read: Perimenopause vs Menopause: What’s the Difference? →

Can you get pregnant in perimenopause?

Yes. Use contraception until 12 months after your last period if over 50, or 24 months if under 50.

Read: Perimenopause vs Menopause: What’s the Difference? →

Are symptoms worse in perimenopause or menopause?

Many symptoms peak in late perimenopause and the first year or two after the final period.

Read: Perimenopause vs Menopause: What’s the Difference? →

What is the most effective treatment for hot flushes?

Hormone therapy (HRT/MHT) is the most effective, reducing hot flushes by about 75% or more for most women.

Read: HRT vs Non-Hormonal Treatments for Hot Flushes: Options Compared →

What can I take for hot flushes instead of HRT?

Non-hormonal options include fezolinetant, some antidepressants (SSRIs/SNRIs), gabapentin, oxybutynin and CBT.

Read: HRT vs Non-Hormonal Treatments for Hot Flushes: Options Compared →

Is HRT safe?

For healthy women under 60 or within 10 years of menopause, the benefits usually outweigh the risks. Your doctor will check your personal risks.

Read: HRT vs Non-Hormonal Treatments for Hot Flushes: Options Compared →

Does black cohosh work for hot flushes?

Good-quality studies have not shown a clear benefit, and supplement quality varies.

Read: HRT vs Non-Hormonal Treatments for Hot Flushes: Options Compared →

GLP-1

Is Mounjaro stronger than Ozempic?

In the SURMOUNT-5 trial, tirzepatide (Mounjaro/Zepbound) led to more weight loss on average than semaglutide (Ozempic/Wegovy): about 20% versus 14%.

Read: Ozempic vs Mounjaro: Semaglutide vs Tirzepatide Compared →

Are Ozempic and Wegovy the same drug?

Yes. Both are semaglutide. Ozempic is approved for type 2 diabetes and Wegovy for weight management, at different doses.

Read: Ozempic vs Mounjaro: Semaglutide vs Tirzepatide Compared →

Which has fewer side effects, Ozempic or Mounjaro?

Both have similar digestive side effects, mainly nausea, constipation and diarrhoea, which are usually worst when starting or increasing the dose.

Read: Ozempic vs Mounjaro: Semaglutide vs Tirzepatide Compared →

Can I switch from Ozempic to Mounjaro?

Yes, with your prescriber’s guidance. The doses are not equivalent, so the new medicine starts at a dose they choose.

Read: Ozempic vs Mounjaro: Semaglutide vs Tirzepatide Compared →

Is Wegovy stronger than Ozempic?

They are the same medicine. Wegovy goes to a higher weekly dose (2.4 mg) than Ozempic (2 mg) and is approved for weight management.

Read: Wegovy vs Ozempic: What’s the Difference? →

Can I take Ozempic for weight loss?

Doctors sometimes prescribe it off-label, but Wegovy is the semaglutide product approved for weight management.

Read: Wegovy vs Ozempic: What’s the Difference? →

Do Wegovy and Ozempic have the same side effects?

Yes, mainly nausea, constipation, diarrhoea and fullness.

Read: Wegovy vs Ozempic: What’s the Difference? →

Why is Wegovy not covered by my insurance?

Many plans cover medicines for diabetes but not for weight management. Coverage varies by plan and province.

Read: Wegovy vs Ozempic: What’s the Difference? →

Diabetes

What is the main difference between type 1 and type 2 diabetes?

Type 1 is autoimmune and the body makes no insulin. In type 2, the body doesn’t use insulin well and makes less over time.

Read: Type 1 vs Type 2 vs Gestational Diabetes: The Differences Explained →

Can gestational diabetes turn into type 2?

It usually goes away after birth, but it greatly increases the risk of type 2 later, so regular testing is recommended.

Read: Type 1 vs Type 2 vs Gestational Diabetes: The Differences Explained →

Can type 2 diabetes be reversed?

Some people reach normal blood sugar without medicines through weight loss and lifestyle changes, called remission, but the risk remains.

Read: Type 1 vs Type 2 vs Gestational Diabetes: The Differences Explained →

Which type of diabetes is more common?

Type 2, which accounts for about 90% of cases.

Read: Type 1 vs Type 2 vs Gestational Diabetes: The Differences Explained →

Free tools

How is my due date calculated?

Most due dates add 280 days (40 weeks) to the first day of your last menstrual period, adjusted if your cycles are longer or shorter than 28 days. From a known conception date, 266 days are added.

Open the Due date & pregnancy week →

How accurate is a due date calculator?

It gives an estimate. Only about 1 in 20 babies arrive on their due date, and most arrive within two weeks either side. A first-trimester dating ultrasound is the most accurate way to confirm it.

Open the Due date & pregnancy week →

Can I calculate my due date after IVF?

Yes. Choose IVF and enter your transfer date and embryo age (3-day or 5-day). The calculator counts from the equivalent egg retrieval date.

Open the Due date & pregnancy week →

How many weeks pregnant am I?

Pregnancy is counted from the first day of your last period, so at conception you are already about two weeks pregnant. The calculator shows your current week and trimester.

Open the Due date & pregnancy week →

How do I calculate when I ovulate?

Ovulation usually happens about 14 days before your next period starts, not 14 days after your last one. With a 28-day cycle that is around day 14; with a 32-day cycle, around day 18.

Open the Period & ovulation predictor →

What is the fertile window?

It is the 5 days before ovulation plus the day of ovulation, because sperm can survive up to 5 days and an egg about a day.

Open the Period & ovulation predictor →

Can an ovulation calculator be used as birth control?

No. Calendar predictions are estimates and cycles vary. Speak with a healthcare provider about reliable contraception.

Open the Period & ovulation predictor →

Why are my predictions off?

Cycles change with stress, illness, travel, breastfeeding, PCOS/PMOS and perimenopause. Tracking several cycles, ovulation tests or basal body temperature can give a clearer picture.

Open the Period & ovulation predictor →

What is a normal blood pressure?

For most adults, a reading below 120/80 mmHg is considered normal. Hypertension Canada’s 2025 guideline defines high blood pressure as 130/80 mmHg or higher.

Open the Blood pressure checker →

What do the two blood pressure numbers mean?

The top number (systolic) is the pressure when your heart beats. The bottom number (diastolic) is the pressure between beats. Either one being high counts.

Open the Blood pressure checker →

How do I take an accurate reading at home?

Use a validated upper-arm monitor. Sit quietly for 5 minutes with your back supported, feet flat and arm resting at heart level. Take two readings a minute apart, morning and evening, for several days and use the average.

Open the Blood pressure checker →

When is blood pressure an emergency?

A reading of 180/120 mmHg or higher with chest pain, shortness of breath, weakness, vision changes or trouble speaking needs emergency care. Call 911.

Open the Blood pressure checker →

Is one high reading a diagnosis?

No. Blood pressure changes through the day. A diagnosis is based on repeated readings, ideally including home or 24-hour readings, reviewed by your healthcare provider.

Open the Blood pressure checker →

How is BMI calculated?

BMI is your weight in kilograms divided by your height in metres squared. A BMI of 18.5 to 24.9 is classed as a healthy range for most adults.

Open the BMI & waist-to-height →

What is a healthy waist-to-height ratio?

A ratio below 0.5, meaning your waist is less than half your height, is linked with lower health risk from central (belly) fat.

Open the BMI & waist-to-height →

Is BMI accurate for women?

BMI does not tell muscle from fat or show where fat is stored. Pairing it with waist-to-height ratio gives a more useful picture, especially in midlife and after menopause.

Open the BMI & waist-to-height →

How do I measure my waist?

Measure around your bare middle, halfway between your lowest rib and the top of your hip bone, after breathing out normally.

Open the BMI & waist-to-height →

How much protein do I need a day?

The general adult minimum is 0.8 g per kg of body weight. Many experts suggest around 1.0 to 1.2 g/kg or more with age, during weight loss and in pregnancy.

Open the Protein target →

How much protein should I eat on a GLP-1 medicine?

Eating enough protein helps protect muscle while appetite is low. Many dietitians suggest about 1.2 to 1.6 g/kg of a reference body weight, spread across meals. Follow the target your care team gives you.

Open the Protein target →

Do I need more protein after menopause?

Muscle loss speeds up after menopause, so a higher intake, often around 1.0 to 1.2 g/kg, plus strength training is commonly recommended.

Open the Protein target →

How much protein per meal?

Aiming for roughly 25 to 30 g at each main meal helps most adults meet their daily target and supports muscle.

Open the Protein target →

How much weight should I gain in pregnancy?

It depends on your pre-pregnancy BMI. For a BMI of 18.5 to 24.9 the guideline range is 11.5 to 16 kg (25 to 35 lb). Ranges are lower for higher BMIs and higher for lower BMIs.

Open the Pregnancy weight gain →

How much weight should I gain each week?

Gain is usually small in the first trimester (about 0.5 to 2 kg in total), then steadier, often around 0.4 kg a week for a healthy BMI in the second and third trimesters.

Open the Pregnancy weight gain →

What about twins?

Recommended ranges are higher for twins. Talk with your healthcare provider about the right range for you.

Open the Pregnancy weight gain →

What does a diabetes risk test tell me?

It estimates your chance of having prediabetes or type 2 diabetes based on age, family history, blood pressure, activity, weight and pregnancy history. It is not a diagnosis.

Open the Type 2 diabetes risk →

What score means I should be tested?

On the American Diabetes Association test, a score of 5 or more suggests a higher risk. Ask your doctor about an A1C or fasting blood glucose test.

Open the Type 2 diabetes risk →

What are early signs of type 2 diabetes?

Many people have no symptoms. Some notice thirst, passing urine often, tiredness, blurred vision, slow-healing cuts or frequent infections.

Open the Type 2 diabetes risk →

Does gestational diabetes raise my risk?

Yes. Having had gestational diabetes increases the lifetime risk of type 2 diabetes, so regular testing is recommended.

Open the Type 2 diabetes risk →

What are the first signs of perimenopause?

Common early signs include changes to your periods, hot flushes or night sweats, poor sleep, mood changes, brain fog and joint aches, often starting in your 40s.

Open the Menopause symptom check →

Can a symptom checker tell me if I am in perimenopause?

No. It helps you track and describe symptoms. Perimenopause is usually recognised from your age and symptoms, and your healthcare provider can confirm it and discuss options.

Open the Menopause symptom check →

Do I need a blood test for perimenopause?

Often not. Hormone levels go up and down during perimenopause, so a single test can be misleading. Guidelines recommend diagnosing mainly on symptoms for women over 45.

Open the Menopause symptom check →

How should I use my results?

Print the summary or save it as a PDF and bring it to your appointment. It shows your most bothersome symptoms and questions worth asking.

Open the Menopause symptom check →

How much calcium do women need?

Health Canada recommends 1,000 mg a day for women aged 19 to 50 and 1,200 mg a day from age 51.

Open the Calcium & vitamin D check →

How much vitamin D do I need?

The recommended amount is 600 IU a day up to age 70 and 800 IU a day after 70. Osteoporosis Canada suggests 400 to 1,000 IU daily for most adults, and more for some people.

Open the Calcium & vitamin D check →

Why does calcium matter after menopause?

Falling estrogen speeds up bone loss, which raises the risk of osteoporosis and fractures. Enough calcium, vitamin D and strength training help protect bone.

Open the Calcium & vitamin D check →

Should I take a supplement?

Food first is usually best for calcium. Many Canadians need a vitamin D supplement in winter. Ask your doctor or pharmacist what is right for you.

Open the Calcium & vitamin D check →

How much caffeine is safe a day?

Health Canada advises up to 400 mg a day for most adults, about three 8 oz cups of brewed coffee.

Open the Water & caffeine counter →

How much caffeine is safe in pregnancy?

Up to 300 mg a day if you are pregnant, planning a pregnancy or breastfeeding.

Open the Water & caffeine counter →

How much water should I drink a day?

Needs vary with body size, activity, heat and pregnancy. A general guide is about 9 cups (2.2 L) of fluids a day for women, more in pregnancy and breastfeeding.

Open the Water & caffeine counter →

How much caffeine is in coffee and tea?

An 8 oz cup of brewed coffee has around 135 mg, black tea about 45 mg, green tea about 30 mg and a cola about 35 mg per can.

Open the Water & caffeine counter →