Skip to content
Betterly Nutrition

Sleep & Stress Relief guide

How Long Does Valerian Root Take to Work?

One night proves little, and two of our formulas add melatonin to the mix. Here's a 14-night log for judging how long valerian root takes to work.

Published 11 min readBy the Betterly Editorial Team

Valerian & Chamomile Sleep Capsules bottle beside a 1mg Melatonin Sleep Strips tin on dark slate with valerian root, lavender and chamomile
On this page

The short answer: We can't give you a clock time for how long valerian root takes to work, because no federal page we read offers one. The National Center for Complementary and Integrative Health (NCCIH) calls valerian's sleep evidence inconsistent, so judge it across 14 nights at the label serving, not one evening. Our capsule also lists 2 mg of melatonin per 2-capsule serving, so a first-night change can't be credited to valerian alone.

Key takeaways

  • No NCCIH or MedlinePlus page we opened gives a time for valerian root to take effect.
  • NCCIH's only time figure for valerian is a safety note: apparent safety at 300 to 600 mg a day for up to 6 weeks. A 14-night trial sits well inside that short-term window.
  • Our valerian capsule lists 2 mg of melatonin per 2-capsule serving and our strip lists 1 mg, so neither isolates valerian.
  • The capsule label says two capsules daily with 6 to 8 oz of water and names no time, so whatever time you pick, keep it the same every night.
  • If two weeks at the label serving change nothing, stop instead of doubling up.

We sell three products that contain valerian, led by our Valerian & Chamomile Sleep Capsules, and not one of them is valerian alone. That's the most useful thing we can tell you about timing, and it doesn't flatter us. Product amounts here come off our own Supplement Facts panels. Anything else, like NCCIH's 300 to 600 mg figure, is attributed in the sentence that uses it.

How long does valerian root take to work?

Valerian root has no onset time on NCCIH's valerian and sleep pages or on MedlinePlus, so we can't hand you a number of minutes, hours or nights.

NCCIH's valerian fact sheet says a relatively small amount of research has looked at the herb, and it calls the evidence on sleep inconsistent.

Its one time figure is about safety, not speed: valerian "has been used with apparent safety in doses of 300 to 600 milligrams daily for up to 6 weeks." The two-week trial in this guide is our suggestion, not NCCIH's. We sized it to sit well inside that short-term safety window, and it isn't an onset time.

Plenty of sites print a confident onset window anyway. We couldn't trace any of those windows to a federal source, so this guide leaves them out.

Why might valerian root do little on the first night?

Valerian root may seem to do nothing on night one because its sleep effect hasn't been shown consistently, and a single night is too noisy to judge any sleep aid.

NCCIH calls it "possible (though not proven)" that valerian has a sleep-inducing effect. So the open question isn't only how fast valerian acts. It's whether it reliably makes people drowsy at all.

NCCIH's overview of sleep and complementary health approaches lists things to avoid close to bedtime: caffeine, nicotine, alcohol, large meals, strenuous exercise and bright screens. Any of those can blur a first-night verdict in either direction.

Does valerian root make you sleepy?

Valerian root doesn't reliably make people sleepy: NCCIH calls a sleep-inducing effect possible but unproven, and its side-effect list names excitability and uneasiness as well as mental dullness.

That matters for timing. Restlessness on night one or two isn't a slow start to wait out. It's one of the reactions NCCIH lists, so write it down, pause the product and check with a pharmacist before you go on.

That possible drowsiness is the reason NCCIH gives for keeping valerian away from alcohol and sedatives. MedlinePlus adds that sleep deprivation magnifies the effect of alcohol, so a short night, a glass of wine and a valerian product are a combination to skip. Start your trial ahead of mornings with no early drive, since you won't yet know whether any dullness carries over.

How does the melatonin in our capsule change the timing question?

Each 2-capsule serving of our Valerian & Chamomile Sleep Capsules carries 2 mg of melatonin, so a change you notice may not be the valerian's doing.

NCCIH's melatonin guide calls melatonin "a hormone that your brain produces in response to darkness" and says it helps with the timing of your roughly 24-hour internal clock.

That's one more reason to hold your serving time steady. If Tuesday's serving lands at 8 p.m. and Friday's at midnight, your notes measure your schedule as much as the capsule.

Here's what sits beside valerian in each of our three products:

  • Capsules: 150 mg of valerian extract (root) and 2 mg of melatonin per 2-capsule serving, plus 100 mg each of chamomile extract, GABA, L-tryptophan, lemon balm extract and passion flower extract.
  • Strips: our 1mg Melatonin Sleep Strips list 50 mg of valerian root extract and 1 mg of melatonin per 1-strip serving, plus lavender, chamomile and hibiscus extracts.
  • Gummies: our Reishi Mushroom Relax Gummies list no melatonin and 25 mg of valerian root per 1-gummy serving, with 200 mg of reishi extract and 25 mg each of L-theanine, lemon balm and passion flower.

So here's the catch on our shelf: we can't sell you a clean test of valerian on its own. For the melatonin half of the puzzle, see our guide on when to take melatonin before bed.

When should you take valerian root for sleep?

Our valerian labels don't name a time: the capsule says two capsules daily with 6 to 8 oz of water, and the strip and gummy labels also say only "daily."

Copied exactly from the three panels:

  • Capsules: "As a dietary supplement, adults take two (2) capsules daily. For best results, take with 6-8 oz (177-237ml) of water or as directed by healthcare professional."
  • Strips: "Place 1 oral strip on the tongue daily and allow it to dissolve."
  • Gummies: "Take one (1) to two (2) gummies daily." Two gummies, the most that label allows, add up to 50 mg of valerian root a day.

How long before bed should you take valerian root?

No label or federal page we've quoted sets a number of minutes before bed for valerian. Many people simply fold an evening formula into the wind-down, which is habit, not a direction.

For a timing test, repeating the slot matters more than the slot itself. Many people choose a set time in the evening; whichever you pick, hold it for two weeks. A pharmacist can help you choose.

Our 10mg Melatonin Sleep Capsules print "20-30 min before bedtime," but that window belongs to that formula, and we won't borrow it. Every melatonin product on our sleep shelf prints the melatonin amount on its own line, so you can spot it before you choose.

From our shop: Valerian & Chamomile Sleep Capsules — each 2-capsule serving pairs valerian extract (150 mg) with melatonin (2 mg), chamomile, lemon balm and passion flower, and a bottle holds 30 servings.

What should a two-week valerian log actually track?

A two-week valerian log should track the herb's listed side effects, which pull in opposite directions, plus serving times, since our capsule and strip also carry melatonin.

Our guide to low-dose melatonin covers a general 14-night setup. What changes with valerian is the list of reactions. NCCIH names mental dullness, but also excitability and uneasiness, so your notes need room for a sluggish morning and a restless night alike.

Stick to one of our three valerian products for the whole run, and keep all 14 evenings alcohol-free, per NCCIH.

Log entryWhy it's on a valerian logWhat to do with it
Serving and lights-out timesCapsule and strip add melatonin, a clock hormoneKeep both fixed
Roughly how fast you settledThe change you're judgingCompare on night 14, not night 1
Mental dullness next morningOn NCCIH's side-effect listNo early drives; tell a pharmacist if it repeats
Excitability or uneasinessAlso on NCCIH's list, the opposite pullA reaction, not a slow start: stop
Vivid dreams, headache or upset stomachThe rest of NCCIH's listStop if any keeps showing up

Read that table as a split: NCCIH's list runs from dullness to excitability, and neither end is a reason to add a serving. MedlinePlus also notes that sleep quality counts, not just hours, so a quick night that leaves you foggy isn't a win.

Look back at the log twice. After night 3, scan only the side-effect rows; anything that repeats ends the trial. On night 14, set the settling notes beside how your nights usually go.

Reading your log on night 14

What the log showsWhat it may meanNext step
No real change from usualThis formula may not be what's missingStop; don't add a serving
Quicker settling, clear morningsThe routine and formula may suit youStay at the label serving
Quicker settling, foggy morningsMental dullness, or too short a nightAsk a pharmacist; skip early drives
Good nights only when bedtime heldThe schedule is doing the workKeep the schedule
Any change on the capsule or stripValerian, melatonin or another activeDon't credit valerian alone

Most rows end somewhere other than "keep taking it," and that's by design.

Is it OK to take valerian root every day?

Yes, for a short stretch: our valerian labels say "daily," and NCCIH says research suggests short-term valerian use is generally safe for most adults.

A 14-night trial is short by that measure, since NCCIH's apparent-safety note runs to 6 weeks. Going well past that is a different question, and NCCIH says the safety of long-term use is unknown. Our rundown of valerian's side effects and cautions covers what to weigh before a longer run.

From our shop: 1mg Melatonin Sleep Strips — 50 mg of valerian root extract and 1 mg of melatonin per 1-strip serving, in a raspberry strip labeled vegan, gluten free and non-GMO.

When is valerian root not worth trying?

Valerian root isn't worth a trial if your nights are already steady, or if a fixable habit, like late caffeine or a drifting bedtime, is the real problem.

A few situations where we'd skip it:

  • Your bedtime moves by hours. A consistent sleep schedule is the first item on NCCIH's list of sleep habits, and no log can read through a moving bedtime.
  • You want a sure thing for one big night. Nothing in valerian's record points to a dependable single-night result, and an early drive the next morning is a reason to leave it out.
  • You already take a sleep formula. Two formulas at once means overlapping ingredients, and a log that can't tell you which one did what.
  • You'd rather not take melatonin. Then the capsule and strip aren't for you. The gummy lists none, and our melatonin-free sleep aid guide covers other options.

If poor sleep hangs on, MedlinePlus advises seeing a healthcare provider, a better next step than a stronger product.

Who should check with a healthcare provider first?

Check with a healthcare provider before a valerian trial if you're pregnant, nursing, under 18, taking any medicine, managing a medical condition or scheduled for surgery.

Our capsule, strip and gummy share one caution, and it covers most of that list: "Do not exceed recommended dose. Consult a physician if pregnant, nursing, under 18, or have a medical condition."

Who needs a provider's OK before starting?

  • Expecting or nursing. NCCIH knows little about valerian's safety in either situation, and the melatonin in our capsule and strip hasn't been well studied in those groups.
  • Teens. The capsule's directions are addressed to adults, and all three cautions send anyone under 18 to a physician before use.
  • Older adults choosing the capsule or strip. NCCIH's melatonin page flags daytime drowsiness in older people, since the hormone may remain active longer, and your log could show it as foggy mornings.
  • Anyone with surgery on the calendar. Your surgical team should hear about any nightly sleep product, trial or not.

What should your pharmacist hear first?

  • Every medicine you take. Valerian shouldn't be combined with alcohol or sedatives, and NCCIH warns that some herbs and medicines "interact in harmful ways."
  • Anything that affects serotonin. Point to the capsule's 100 mg of L-tryptophan per 2-capsule serving. NCCIH's sleep page says L-tryptophan supplements may cause a life-threatening reaction alongside medicines that affect serotonin metabolism.
  • A blood-thinning medicine. Both the capsule and strip list melatonin, and NCCIH's melatonin page calls for medical supervision in that case.

FAQ: how long valerian root takes to work

How long does valerian root stay in your system?

We couldn't find a federal figure for how long valerian root stays in your system, so we won't guess at hours. Your morning is the practical test: waking up foggy would match the "mental dullness" NCCIH names among valerian's side effects. With our capsule or strip, count the melatonin too, since NCCIH says it may stay active longer in older people.

Does valerian root tea work faster than capsules?

No federal source we read compares how fast valerian root tea and capsules work, so we can't rank them. For a clean log, use one form for all 14 nights, because swapping midway changes the amount you're judging. A cup of valerian tea on a capsule night would also add valerian beyond what our label describes.

Should you take more valerian if nothing happens the first night?

No, don't take more valerian root because the first night felt flat. Each of our labels says "Do not exceed recommended dose," and a slow first night isn't a sign the serving is too small. If 14 nights change nothing, stop and talk with a provider instead of climbing.

Why does valerian seem to work for some people and not others?

Nobody has a solid answer for why valerian root seems to help some people and not others, and NCCIH calls the research inconsistent without explaining the gap. Products differ, too: extracts, amounts and added ingredients vary by brand, so two people saying "valerian" may mean different formulas. Judge yours with a steady log.

Do you have to take valerian root every night for it to work?

No federal page we read says valerian root must be taken nightly to work, or that it builds up over time. Our labels say "daily," and a trial works best with every night covered, so your log compares like with like. A skipped night is just a gap in the log: mark it, and take the usual single serving the following evening.

Sources

If this left you looking for somewhere to start, read valerian root capsules with melatonin — its amounts per serving are listed on the page. For the practical questions this raises, how dosing, sourcing and subscriptions work is answered in one place.

This article is for educational purposes only and is not medical advice. Talk to your healthcare provider before starting any supplement.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.