Caffeine sources including coffee beans and capsules – energy, focus, and fat metabolism support in Maxine’s Burn supplements.

Caffeine: Energy, Focus, Safety & Where We Use It

1) What is Caffeine?

Caffeine is a methylxanthine stimulant found in coffee, tea, cocoa and guarana; supplements may list caffeine anhydrous (purified, dehydrated caffeine). EFSA reviewed caffeine from all dietary sources to set safe intake levels.

 

2) Benefits of Consuming Caffeine

2.1 Energy & focus

Caffeine enhances alertness, attention, and psychomotor speed, helping you feel sharper and more switched on—especially when tired or sleep-restricted.'

2.2 Proven Exercise Performance Support

The ISSN reports consistent, small-to-moderate improvements across endurance, strength, power, sprinting and sport-specific efforts when caffeine is used strategically. Typical effective intakes are ~3–6 mg/kg body mass, while very high doses (≈9 mg/kg) add side-effects without extra benefit.

2.3 Endurance Advantage

Reviews show meaningful gains for running and cycling; for example, coffee-based caffeine improved endurance performance by about 3% in controlled trials.

 

3) Dosage & Timing

For healthy adults, single doses up to ~200 mg and habitual intakes up to 400 mg/day do not raise safety concerns; in pregnancy, keep total intake ≤200 mg/day. Track total caffeine from coffee, tea, energy drinks and supplements, and adjust to your sensitivity.

 

4) Safety & Side Effects

Caffeine’s effects are dose-dependent. Common issues include jitters, faster heart rate, GI upset and sleep disruption, especially late in the day. EFSA’s full report supports the 200 mg single-dose / 400 mg daily thresholds for healthy adults (lower in pregnancy).

 

5) Which Maxine’s Burn products contain caffeine?

Fat Burners & Pre-Workout Boosters

  • MELT: Pre-workout for metabolism, focus and fat-loss support. Caffeine 150 mg per serve.
  • SIP’N BURN: In-workout/all-day amino energy. Caffeine 50 mg per serve.

Protein & Snacks

 

6) Related ingredients

  • Guarana Extract: Natural caffeine source.
  • Taurine: Amino support frequently paired with caffeine in energy formulas.
  • Green Tea Extract: Thermogenic partner of caffeine.
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