Goal

More energy

What helps with afternoon slumps and low energy?

Steadier energy through the day, without the crash.

Research says what works on average. A free account lets you test any of these on yourself for 14 days and see what works for you.

Start free

Free to try — habits

Usually the strongest evidence on the page, and they cost nothing. Test these first.

Time-restricted eating (16:8)Habit

HoldEvidence B

16:8 fasting: a scheduling trick, not a metabolic one

Free

Supplements and compounds

Ranked by evidence, then by price. A verdict is the research; your 14-day log is the answer.

Vitamin DNutrient

HoldEvidence C

Vitamin D for energy: only worth it if you're actually low

$3–8/mo

Verdicts summarise published research at the population level and never claim an effect for you. Safety notes and sources are on every verdict page. Not medical advice.