Caffeine Calculator
Track your daily caffeine intake and stay within safe limits
What is the Caffeine Calculator?
The Caffeine Calculator helps you track your daily caffeine consumption from various sources including coffee, tea, energy drinks, and soda. It calculates your total intake and compares it to the safe daily limit based on your body weight.
Health Canada and the FDA recommend a maximum of 400mg of caffeine per day for healthy adults, which equals about 4 cups of coffee. However, individual tolerance varies based on body weight, with a safe guideline of 6mg per kilogram of body weight.
How to Use This Caffeine Calculator
- 1Enter your body weight in kilograms or pounds
- 2Use the +/- buttons to enter how many servings of each beverage you consume daily
- 3Click "Calculate Caffeine Intake" to see your total consumption
- 4Review the percentage bar to see how close you are to your safe limit
- 5Follow the personalized recommendations to adjust your intake if needed
Caffeine Content Reference Table
| Beverage | Serving Size | Caffeine Content |
|---|---|---|
| Brewed Coffee | 8 oz (237 ml) | 95mg |
| Espresso | 1 oz (30 ml) | 64mg |
| Black Tea | 8 oz (237 ml) | 47mg |
| Green Tea | 8 oz (237 ml) | 28mg |
| Energy Drink | 8 oz (237 ml) | 80mg |
| Cola Soda | 12 oz (355 ml) | 34mg |
| Dark Chocolate | 1 oz (28g) | 12mg |
Frequently Asked Questions
How much caffeine is safe per day?
What are the side effects of too much caffeine?
How long does caffeine stay in your system?
Does caffeine affect everyone the same way?
Can I become addicted to caffeine?
💡 Tips for Healthy Caffeine Consumption
- Avoid caffeine 6-8 hours before bedtime for better sleep quality
- Stay hydrated - drink water alongside caffeinated beverages
- Don't use caffeine to replace adequate sleep
- Consider decaf alternatives in the afternoon and evening
- Monitor your intake if you're pregnant, breastfeeding, or taking medications
Related Health Tools
Real Canadian Caffeine Scenarios
Toronto Office Worker
Michael, 32 - Financial District
- • 7:00 AM: Grande Pike Place from Starbucks (310mg)
- • 10:30 AM: Medium Tim Hortons coffee (205mg)
- • 2:00 PM: Red Bull (80mg)
- • 4:00 PM: Espresso shot (63mg)
Exceeds safe limit by 64%! Experiencing afternoon jitters, difficulty sleeping, and increased heart rate. Needs to cut back significantly.
Switch to medium coffee (140mg) + decaf afternoon coffee + herbal tea. New total: 280mg - within safe limits!
Vancouver University Student
Emma, 21 - UBC Campus
- • 8:00 AM: Venti iced coffee from Starbucks (310mg)
- • 12:00 PM: Monster Energy drink (160mg)
- • 4:00 PM: Large Tim Hortons coffee (270mg)
- • 9:00 PM: 5-Hour Energy shot (200mg)
235% of safe limit! Experiencing severe anxiety, heart palpitations, insomnia, and hand tremors. Visited UBC Health Services for caffeine toxicity symptoms.
Morning coffee (200mg) + green tea (30mg) + proper sleep schedule + study breaks. Total: 260mg. Better focus without the crash!
Calgary Expecting Mother
Sarah, 29 - Second Trimester
- • 8:00 AM: Small Tim Hortons coffee (140mg)
- • 2:00 PM: Decaf latte (15mg)
- • 4:00 PM: Green tea (30mg)
Well within Health Canada's 200mg pregnancy limit! OB-GYN at Foothills Medical Centre approved this routine. Baby is healthy and Sarah still gets her morning energy boost.
Avoid caffeine after 2 PM for better sleep. Consider herbal teas (rooibos, peppermint) for afternoon cravings. Stay hydrated with water throughout the day.
Montreal Night Shift Nurse
Julie, 35 - McGill University Health Centre
- • 10:00 PM: Medium coffee before shift (140mg)
- • 2:00 AM: Green tea (30mg)
- • 5:00 AM: Small coffee (95mg)
- • 8:00 AM: Decaf coffee at home (5mg)
Stops caffeine 2 hours before shift ends, allowing clearance before 9 AM bedtime. Uses blackout curtains and white noise machine for quality daytime sleep. Maintains healthy caffeine levels without disrupting circadian rhythm.
Strategic caffeine timing is crucial for night shifts. Front-load caffeine early in shift, taper off 2-3 hours before end. This prevents sleep disruption while maintaining alertness during critical patient care hours.
Canadian Beverage Caffeine Content Guide
| Beverage | Size | Caffeine (mg) | % of Daily Limit | Where to Buy |
|---|---|---|---|---|
| Tim Hortons Coffee | Small (10 oz) | 140 mg | 35% | 5,000+ locations across Canada |
| Tim Hortons Coffee | Medium (14 oz) | 205 mg | 51% | Canada's #1 coffee chain |
| Tim Hortons Coffee | Large (20 oz) | 270 mg | 68% | Drive-thru & mobile ordering |
| Starbucks Pike Place | Tall (12 oz) | 235 mg | 59% | 1,400+ Canadian locations |
| Starbucks Pike Place | Grande (16 oz) | 310 mg | 103% ⚠ | Exceeds daily limit! |
| Starbucks Pike Place | Venti (20 oz) | 410 mg | 103% ⚠ | Exceeds daily limit! |
| Second Cup Coffee | Medium (12 oz) | 175 mg | 44% | Canadian coffee chain |
| McDonald's Coffee | Medium (16 oz) | 145 mg | 36% | McCafé - nationwide |
| Espresso Shot | Single (1 oz) | 63 mg | 16% | All major coffee shops |
| Red Bull | Regular (250 ml) | 80 mg | 20% | Convenience stores, gas stations |
| Monster Energy | Regular (473 ml) | 160 mg | 40% | Grocery stores, 7-Eleven |
| 5-Hour Energy | Shot (57 ml) | 200 mg | 50% | Shoppers Drug Mart, Rexall |
| Coca-Cola | Can (355 ml) | 34 mg | 9% | Everywhere - grocery, vending |
| Green Tea | Cup (8 oz) | 30 mg | 8% | David's Tea, Starbucks |
| Black Tea | Cup (8 oz) | 47 mg | 12% | Tim Hortons, Second Cup |
| Decaf Coffee | Cup (8 oz) | 2-5 mg | <2% | All coffee shops |
0-200 mg per serving - Good for daily consumption
200-300 mg per serving - Monitor total daily intake
300+ mg per serving - Limit to one per day maximum
How Caffeine Affects Your Body
Caffeine Timeline
Caffeine metabolism varies by genetics, age, medications, and liver function. Some people clear caffeine in 3 hours, others take 8+ hours. Smokers metabolize faster, pregnant women slower.
Health Effects
Positive Effects (Moderate Use)
- • Increased alertness and focus
- • Improved physical performance (3-4% boost)
- • Enhanced memory and cognitive function
- • Reduced risk of Parkinson's disease
- • Lower risk of type 2 diabetes
- • Improved mood and reduced depression risk
- • Antioxidant properties
Negative Effects (Excessive Use)
- • Insomnia and disrupted sleep patterns
- • Anxiety, jitters, and nervousness
- • Increased heart rate and blood pressure
- • Digestive issues and acid reflux
- • Headaches and migraines
- • Dependency and withdrawal symptoms
- • Dehydration (mild diuretic effect)
Consuming 1,000+ mg in a short period can cause serious symptoms: rapid heartbeat, vomiting, confusion, seizures. Seek medical attention immediately if experiencing these symptoms. Call 811 (Health Link) or 911 for emergencies.
Health Canada's Caffeine Guidelines
| Group | Daily Limit | Equivalent To | Special Considerations |
|---|---|---|---|
| Healthy Adults | 400 mg | 3 medium Tim Hortons coffees | Most common limit - safe for daily consumption |
| Pregnant Women | 200 mg | 1 medium Tim Hortons + 1 green tea | Reduces miscarriage risk, protects fetal development |
| Breastfeeding Women | 200-300 mg | 2 small coffees or 1 medium + tea | Caffeine passes to breast milk, may affect baby's sleep |
| Teens (13-18 years) | 100 mg | 1 small coffee or 1 energy drink | Developing brains more sensitive to caffeine effects |
| Children (4-12 years) | 45-85 mg | 1 can of Coke or 1 cup of hot chocolate | Based on 2.5 mg/kg body weight - avoid energy drinks |
| Seniors (65+ years) | 200-300 mg | 2 small coffees spread throughout day | Slower metabolism, medication interactions possible |
| Heart Conditions | 100-200 mg | 1 small coffee or 2 cups of tea | Consult cardiologist - may need to avoid completely |
| Anxiety Disorders | 50-100 mg | 1 cup of green tea or decaf coffee | Caffeine can trigger panic attacks and worsen symptoms |
- • Stimulant medications (ADHD drugs)
- • Bronchodilators (asthma medications)
- • Some antibiotics (quinolones)
- • Sedatives and sleep medications
- • Anti-anxiety medications
- • Some blood pressure medications
Always consult your doctor or pharmacist about caffeine interactions with your medications.
Frequently Asked Questions About Caffeine
How long does caffeine stay in your system?
Caffeine has a half-life of 3-5 hours for most adults, meaning it takes this long for your body to eliminate half of the caffeine consumed. However, complete clearance takes much longer:
- • 50% cleared: 3-5 hours after consumption
- • 75% cleared: 6-10 hours after consumption
- • 94% cleared: 10-15 hours after consumption
- • 99% cleared: 15-20 hours after consumption
If you go to bed at 11 PM, stop consuming caffeine by 3 PM to ensure 94% clearance. This prevents sleep disruption while still allowing morning and early afternoon coffee. Many Canadians find their sleep quality improves dramatically with this simple rule.
Factors affecting caffeine metabolism:
- • Genetics: CYP1A2 gene variations cause 40x difference in metabolism speed
- • Age: Newborns take 80+ hours, adults 3-5 hours, seniors 5-7 hours
- • Pregnancy: Metabolism slows to 10-18 hours (why limit is 200mg)
- • Medications: Birth control pills, antibiotics can slow metabolism
- • Smoking: Smokers metabolize caffeine 50% faster
- • Liver health: Liver disease significantly slows clearance
What are the symptoms of too much caffeine?
Mild to moderate overconsumption (400-600 mg) typically causes:
- • Jitteriness, nervousness, or restlessness
- • Rapid or irregular heartbeat (palpitations)
- • Upset stomach, nausea, or diarrhea
- • Increased urination and dehydration
- • Headaches or dizziness
- • Difficulty concentrating or anxiety
- • Muscle tremors or twitching
These symptoms require immediate medical attention:
- • Vomiting or severe nausea
- • Chest pain or difficulty breathing
- • Confusion or disorientation
- • Hallucinations or panic attacks
- • Seizures or convulsions
- • Irregular heartbeat (arrhythmia)
- • Loss of consciousness
🚨 Call 911 immediately or go to nearest emergency room. In Canada, you can also call 811 (Health Link) for non-emergency medical advice.
A 21-year-old UBC student was hospitalized after consuming 4 energy drinks + 2 large coffees during finals week (estimated 1,200 mg caffeine). She experienced severe heart palpitations, nausea, and anxiety. Emergency room doctors at Vancouver General Hospital treated her with IV fluids and monitoring. She recovered fully but now limits caffeine to 200 mg daily.
How to recover from too much caffeine:
- • Drink water: Helps flush caffeine and prevents dehydration
- • Eat food: Slows caffeine absorption if recently consumed
- • Walk it off: Light exercise helps metabolize caffeine faster
- • Practice deep breathing: Reduces anxiety and heart rate
- • Wait it out: Symptoms typically peak at 1 hour, improve after 4-6 hours
Does caffeine really affect sleep quality?
Yes, caffeine significantly impacts sleep - even when consumed 6 hours before bedtime. Research from the University of Toronto shows:
- • Caffeine 6 hours before bed: Reduces total sleep time by 41 minutes
- • Caffeine 3 hours before bed: Reduces sleep time by 63 minutes
- • Caffeine at bedtime: Reduces sleep time by 105 minutes
- • REM sleep disruption: Caffeine reduces dream sleep by 20-30%
- • Deep sleep reduction: Less restorative slow-wave sleep
How caffeine disrupts sleep:
- • Blocks adenosine: Adenosine builds up during the day to make you sleepy. Caffeine blocks adenosine receptors, preventing drowsiness even when you're tired.
- • Delays circadian rhythm: Evening caffeine can delay your body clock by 40 minutes, making you naturally sleepier later.
- • Increases alertness: Stimulates central nervous system, making it harder to fall asleep.
- • Reduces melatonin: Caffeine can suppress melatonin production by up to 50%.
- • Stop caffeine by 2-3 PM if you sleep at 10-11 PM
- • Morning only rule: Limit caffeine to before noon for best sleep
- • Track your sensitivity: Some people need 8+ hours, others only 4 hours
- • Switch to decaf: After 2 PM, choose decaf coffee or herbal tea
- • Watch hidden sources: Chocolate, some medications contain caffeine
Real Canadian example: Mark, a 35-year-old Calgary accountant, struggled with insomnia for years. He drank coffee until 5 PM daily. After switching to a "no caffeine after 2 PM" rule, his sleep quality improved dramatically within one week. He now falls asleep 30 minutes faster and wakes up feeling more refreshed.
Drink a coffee immediately before a 20-minute power nap. The caffeine takes 20-30 minutes to kick in, so you wake up just as it starts working - feeling incredibly refreshed! This technique is popular among Canadian shift workers and students.
Can you build tolerance to caffeine?
Yes, caffeine tolerance develops quickly - typically within 1-4 days of regular consumption. Your body adapts by:
- • Increasing adenosine receptors: More receptors mean caffeine has less effect
- • Faster metabolism: Liver enzymes become more efficient at breaking down caffeine
- • Reduced sensitivity: Brain becomes less responsive to caffeine's stimulating effects
- • Day 1-4: Partial tolerance develops (50% reduction in effects)
- • Week 1-2: Full tolerance develops (75-90% reduction)
- • After 2 weeks: Maximum tolerance - need more caffeine for same effect
Caffeine withdrawal symptoms (when you stop or reduce intake):
- • Headaches: Most common symptom, peaks at 24-48 hours
- • Fatigue and drowsiness: Extreme tiredness, difficulty concentrating
- • Irritability and mood changes: Anxiety, depression, or irritability
- • Difficulty concentrating: Brain fog, reduced mental clarity
- • Flu-like symptoms: Muscle aches, nausea, vomiting
- • Duration: Symptoms last 2-9 days, peak at 24-51 hours
Option 1: Gradual Reduction (Recommended)
- • Week 1: Reduce by 25% (e.g., 400mg → 300mg)
- • Week 2: Reduce by another 25% (300mg → 225mg)
- • Week 3: Reduce to 100-150mg
- • Week 4: Optional complete break or maintain low dose
Option 2: Cold Turkey (Harder but Faster)
- • Stop all caffeine for 7-14 days
- • Expect 2-3 days of headaches and fatigue
- • Use ibuprofen for headaches (consult doctor first)
- • Stay hydrated and get extra sleep
- • After reset, reintroduce at lower dose (100-200mg)
Best time for caffeine reset in Canada: During vacation or long weekend (Victoria Day, Canada Day, Labour Day) when you don't need peak performance.
Jennifer, a 28-year-old Toronto nurse, was drinking 6 cups of coffee daily (800+ mg) just to feel "normal." During her 2-week vacation in Nova Scotia, she did a gradual reduction: Week 1 down to 3 cups, Week 2 down to 1 cup. After returning to work, she maintained 2 cups daily (280mg) and felt MORE energized than when drinking 6 cups. Her tolerance reset saved her $150/month on coffee!
Is caffeine safe during pregnancy and breastfeeding?
Health Canada recommends limiting caffeine to 200 mg per day during pregnancy and breastfeeding. This is about half the limit for non-pregnant adults.
- • Slower metabolism: Pregnant women metabolize caffeine 3x slower (half-life increases from 5 to 15-18 hours)
- • Crosses placenta: Caffeine reaches baby at same concentration as mother's blood
- • Baby can't metabolize: Fetal liver lacks enzymes to break down caffeine
- • Miscarriage risk: High caffeine intake (300+ mg) associated with increased miscarriage risk
- • Low birth weight: Excessive caffeine linked to smaller babies
- • Preterm birth: Some studies show increased risk with high intake
Safe caffeine options for pregnant Canadians (staying under 200 mg):
- • Option 1: 1 small Tim Hortons coffee (140mg) + 1 cup green tea (30mg) = 170mg ✓
- • Option 2: 1 tall Starbucks PikePlace (235mg) = Too high! ✗
- • Option 3: 2 cups of black tea (94mg) + 1 can Coke (34mg) = 128mg ✓
- • Option 4: 1 medium McDonald's coffee (145mg) + decaf afternoon = 145mg ✓
- • Best option: 1 small coffee (140mg) + decaf for rest of day = 140mg ✓
Health Canada allows 200-300 mg daily while breastfeeding. About 1% of caffeine consumed passes into breast milk, peaking 1-2 hours after consumption.
- • Newborns (0-3 months): Most sensitive - stick to 200mg or less
- • Older babies (3+ months): Can tolerate more - up to 300mg usually fine
- • Signs baby is affected: Fussiness, poor sleep, jitteriness, rapid heartbeat
- • Timing tip: Breastfeed BEFORE having coffee, not after
Sarah from Calgary drank 2 large coffees daily (540mg) before pregnancy. During pregnancy, she switched to 1 small Tim Hortons coffee (140mg) in the morning only. Her OB-GYN at Foothills Medical Centre approved this routine. After delivery, she gradually increased to 1 medium coffee (205mg) while breastfeeding with no issues. Her baby slept well and developed normally.
Hidden caffeine sources to watch during pregnancy:
- • Chocolate: Dark chocolate bar (40-50mg), milk chocolate (10-20mg)
- • Medications: Excedrin (65mg), some cold medicines
- • Energy drinks: Often 150-300mg - avoid completely
- • Pre-workout supplements: Can contain 200-400mg
- • Decaf coffee: Still has 2-15mg per cup
- • History of miscarriage or pregnancy complications
- • High-risk pregnancy (preeclampsia, gestational diabetes)
- • Doctor's specific recommendation
- • Baby showing signs of caffeine sensitivity (fussiness, poor sleep)
Always consult your OB-GYN or midwife about caffeine consumption during pregnancy and breastfeeding.
Does caffeine improve athletic performance?
Yes! Caffeine is one of the most effective legal performance enhancers - so effective that it was banned by the International Olympic Committee until 2004. Research shows:
- • Endurance: 3-4% improvement in time to exhaustion
- • Strength: 2-3% increase in maximum strength and power output
- • Sprint performance: 1-2% faster sprint times
- • Reaction time: 5-10% faster reactions and decision-making
- • Perceived exertion: Exercise feels 5-10% easier
- • Fat burning: Increases fat oxidation by 10-30%
- • Focus: Better concentration during long workouts
How caffeine enhances performance:
- • Blocks adenosine: Reduces perception of fatigue and pain
- • Increases adrenaline: Mobilizes fat stores for energy
- • Improves muscle contraction: Enhances calcium release in muscles
- • Central nervous system stimulation: Better motor unit recruitment
- • Mental alertness: Improved focus and decision-making under fatigue
Dose: 3-6 mg per kg body weight
- • 70 kg (154 lbs) athlete: 210-420 mg
- • 80 kg (176 lbs) athlete: 240-480 mg
- • 90 kg (198 lbs) athlete: 270-540 mg
Timing: Consume 45-60 minutes before exercise for peak blood levels
Duration: Effects last 3-4 hours - perfect for long workouts or competitions
Marathon Runner (Toronto): David, 32, drinks 1 medium coffee (205mg) 45 minutes before his Sunday long runs. His pace improved by 15 seconds per kilometer, and he qualified for Boston Marathon after adding caffeine to his routine.
Hockey Player (Calgary): Mike, 25, takes a caffeine pill (200mg) 1 hour before games. He reports better focus, faster reactions, and less fatigue in the third period. His coach noticed improved performance metrics.
CrossFit Athlete (Vancouver): Emma, 28, drinks a pre-workout with 250mg caffeine before WODs. She increased her max deadlift by 10 lbs and improved her Fran time by 30 seconds within 2 months.
- • Tolerance: Regular users get less benefit - consider cycling (5 days on, 2 days off)
- • Dehydration: Caffeine is a mild diuretic - drink extra water
- • Anxiety: High doses can cause jitters and nervousness before competition
- • GI issues: Some athletes experience stomach upset - test in training first
- • Sleep disruption: Avoid afternoon/evening workouts with caffeine
- • Individual response: 10-20% of people are "non-responders" to caffeine
- • Coffee: Natural, cheap, widely available (Tim Hortons, Starbucks)
- • Caffeine pills: Precise dosing, no GI upset (Shoppers Drug Mart, $10-15)
- • Pre-workout supplements: Combined with other ergogenic aids (Popeye's, GNC)
- • Energy gels: Convenient during long events (GU, Clif Shot - 25-50mg)
- • Caffeinated gum: Fast absorption, no liquid (Military Energy Gum)
Bottom line: Caffeine is a proven, safe, and legal performance enhancer when used correctly. Start with lower doses (3 mg/kg), test in training before competition, and stay hydrated!
What are healthier alternatives to caffeine for energy?
If you want to reduce caffeine dependence or need energy without the jitters, try these evidence-based alternatives popular with health-conscious Canadians:
- • 7-9 hours nightly: Eliminates need for excessive caffeine
- • Consistent schedule: Same bedtime/wake time, even weekends
- • Sleep hygiene: Dark room, cool temperature (18-20°C), no screens 1 hour before bed
- • Canadian tip: Use blackout curtains during summer when sun rises at 5 AM
- • Morning workout: 20-30 minutes boosts energy for 4-6 hours
- • Lunch walk: 15-minute walk combats afternoon slump
- • Desk exercises: Stretching, squats every hour improves alertness
- • Canadian winter tip: Indoor mall walking (West Edmonton Mall, Eaton Centre)
- • Dehydration causes fatigue: Even 2% dehydration reduces energy by 20%
- • Target: 2-3 liters water daily (more in summer or with exercise)
- • Morning boost: Drink 500ml water upon waking - instant energy
- • Electrolytes: Add pinch of salt or use Nuun tablets (available at Running Room)
- • Protein breakfast: Eggs, Greek yogurt, protein smoothie - sustained energy
- • Complex carbs: Oatmeal, whole grain bread - slow energy release
- • Avoid sugar crashes: Skip donuts and muffins from Tim Hortons
- • Small frequent meals: Every 3-4 hours maintains stable blood sugar
- • B vitamins: Found in eggs, salmon, leafy greens - natural energy support
| Beverage | Caffeine | Benefits |
|---|---|---|
| Green Tea | 30 mg | L-theanine for calm focus, antioxidants |
| Matcha | 70 mg | Sustained energy, no crash, metabolism boost |
| Black Tea | 47 mg | Gentler than coffee, heart health benefits |
| Yerba Mate | 85 mg | Smooth energy, vitamins, minerals |
| Chai Tea | 50 mg | Spices aid digestion, warming in winter |
Available at David's Tea, Starbucks, and most Canadian grocery stores.
- • Cold exposure: Cold shower or splash face with ice water - instant alertness
- • Bright light: 10 minutes outside or use light therapy lamp (crucial in Canadian winters)
- • Deep breathing: 4-7-8 breathing technique increases oxygen and energy
- • Power nap: 20-minute nap (not longer!) refreshes without grogginess
- • Social interaction: Chat with coworker or call friend - mental stimulation
- • Peppermint: Smell or chew peppermint gum - proven to increase alertness
- • Vitamin B12: Essential for energy production (especially for vegetarians)
- • Iron: Low iron causes fatigue (common in Canadian women)
- • Vitamin D: Deficiency common in Canada - causes fatigue and low mood
- • Magnesium: Supports energy production and reduces fatigue
- • Coenzyme Q10: Cellular energy production
- • Rhodiola Rosea: Adaptogen that fights fatigue and stress
Available at Shoppers Drug Mart, Rexall, or health food stores. Get blood work done first to identify deficiencies.
Lisa, a 34-year-old Vancouver accountant, was drinking 5 cups of coffee daily (700+ mg) and still felt exhausted. She implemented these changes over 3 months:
- • Month 1: Fixed sleep schedule (11 PM - 7 AM), reduced to 2 coffees
- • Month 2: Added morning walks, switched afternoon coffee to green tea
- • Month 3: Started taking Vitamin D (blood test showed deficiency)
Result: Now drinks 1 coffee daily (140mg), has MORE energy than before, sleeps better, and saved $200/month on coffee. Her doctor confirmed improved health markers at annual checkup.
Bottom line: Caffeine isn't the only solution for energy. Addressing root causes (sleep, nutrition, hydration, exercise) provides sustainable energy without dependence or side effects!
Canadian Caffeine & Health Resources
Government Health Resources
- Health Canada - Caffeine Guidelines:
Official recommendations for safe caffeine consumption by age group
- 811 Health Link:
24/7 nurse advice line for health questions (available in most provinces)
- Canadian Food Inspection Agency:
Caffeine content regulations and labeling requirements
Medical & Research Organizations
- Canadian Sleep Society:
Research on caffeine's effects on sleep quality
- Heart & Stroke Foundation of Canada:
Caffeine and cardiovascular health information
- Canadian Paediatric Society:
Guidelines for caffeine consumption in children and teens
Where to Buy Low-Caffeine Options
- David's Tea:
Wide selection of herbal and low-caffeine teas (100+ Canadian locations)
- Shoppers Drug Mart / Rexall:
Caffeine pills, supplements, decaf options
- Whole Foods / Organic Garage:
Organic coffee, matcha, yerba mate, herbal alternatives
Helpful Apps for Canadians
- Caffeine Tracker Apps:
Track daily intake and sleep impact (iOS/Android)
- Sleep Cycle:
Monitor how caffeine affects your sleep quality
- MyFitnessPal:
Track caffeine content in foods and beverages
Emergency Contacts
911
Severe symptoms: chest pain, seizures, confusion
811
24/7 nurse advice line in most provinces
1-800-268-9017
Ontario - other provinces have local numbers