Is it better to take ashwagandha in the morning or in the evening?
More important than the timing: several regulators, including the RIVM, advise against ashwagandha because of risks to the liver, thyroid and hormones. Morning versus evening has never been studied; choose the moment you can stick to.
First, the most important point: several regulators advise against ashwagandha. The Dutch RIVM issued a warning about it in 2024, citing possible liver, thyroid and adrenal problems as well as risks during pregnancy. Denmark banned ashwagandha in supplements in 2023. France and Sweden have imposed restrictions, and at EU level a procedure is under way that could lead to a broader ban. Anyone who uses it is therefore acting against the advice of these authorities.
Now to the question itself: no study has ever directly compared morning versus evening intake. There is simply no scientific basis for a preference regarding timing. Choose the moment at which you find it easiest to keep up the habit. Some people opt for the evening because of a calming sensation, but that too has not been studied.
What studies on ashwagandha do show: at 240 mg per day (root extract, standardised to withanolides, sometimes labelled as Shoden) morning cortisol dropped significantly after 60 days, regardless of the time of intake. At 600 mg per day, perceived recovery and sleep quality improved in female athletes after 28 days, but objective strength measurements showed no effect. For stress or sleep, you would want to try it at 300 to 500 mg per day for at least 8 to 12 weeks. Choose a capsule stating 'ashwagandha root extract' standardised to withanolides; brand names such as KSM-66, Shoden or Witholytin on the label indicate that a standardised extract is included. Whether the brand is 'organic' or 'natural' does not matter.
Watch for signs of liver problems: jaundice, abdominal pain or dark urine are reasons to stop immediately and consult a doctor. Are you using it purely as an athlete looking for greater strength? Then it is not worth your money: studies show no measurable effect for that purpose. Are you using it for a health condition such as thyroid problems or cognitive decline? Discuss that with your doctor, because for those goals ashwagandha is medical territory.
How much ashwagandha do you need per day?
For stress and sleep, 300 to 500 mg per day for at least 8 to 12 weeks appears to be a meaningful amount; up to 600 mg per day has been found safe over 8 weeks. Consult a doctor if you take medication, have a thyroid condition, or experience signs of liver damage.
Does ashwagandha really work against stress?
Ashwagandha demonstrably lowers the stress hormone cortisol, but whether it also makes you actually feel less stressed has not been convincingly proven in independent research. Short-term use of up to around 12 weeks appears safe, but too little is known about long-term use to be certain.
Which form of magnesium is best to take?
Magnesium citrate has the strongest evidence for absorption into the body. Magnesium oxide, the cheapest option, demonstrably performs the worst and is best avoided.
When is the best time to take fisetin?
There is no human research identifying an optimal time to take fisetin. What the available animal research makes clear is that formulation matters far more than timing: plain fisetin is poorly absorbed, and improved forms have so far only been tested in mice.
How many hours of fasting are needed to activate autophagy?
There is no proven hourly threshold for activating autophagy in humans. If you use this as a reason for a fasting pattern, be aware that the mechanistic idea is plausible, but the practical threshold in humans has not yet been established.
Can you take too much magnesium?
Yes, too much magnesium can be dangerous, although serious toxicity through ordinary supplements is rare in people with healthy kidneys. With kidney problems or the use of intravenous magnesium, medical supervision is genuinely necessary.