The LockIn Blog
#safety
Evidence-first writing on focus, attention and high-stakes work from the LockIn team. No hype, every claim sourced.
· 3 min read
How Much Caffeine Is Too Much? Limits by Bodyweight (400 mg, 200 mg, 3 mg/kg)
How much caffeine is too much? The 400 mg adult limit, 200 mg per dose, the 3 mg/kg rule for teens, and how chai, coffee and cola add up.
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L-Theanine: Benefits, Dose, Timing and Side Effects
L-theanine explained: what the studies show for calm focus, typical doses, when to take it, safety, and who should be cautious. Evidence-first.
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