Sponsored content · Presented by BloomWell · This article contains affiliate links. BloomWell may earn a commission at no cost to you.
BloomWell
Thursday, August 20 · 2026
HEALTH REPORT

Your 9 p.m. Cup Decides

Magnesium and an evening tea compete for the same nightly habit, not for the same job.

Health Report · 8 min
Morning movement
Morning movement
Quick answer

Magnesium and slimming tea can both occupy the 9 p.m. slot, but they act differently. Magnesium draws water into the intestine; the tea is a senna-based evening blend.

— BloomWell Editorial Team

Do they do the same job?

Most people already have a small nine-o'clock ritual: the kettle or the supplement bottle comes out, and one thing gets taken before bed. That slot holds one habit, not two. Magnesium is a mineral, and WebMD notes it helps the small intestine absorb water, which increases peristalsis. All Day Slimming Tea's maker lists senna leaves first in its evening blend. Same hour, different mechanism.

Not quite. Magnesium works osmotically: WebMD describes it as helping the intestine handle water, and says a magnesium laxative can take thirty minutes to six hours. Senna is a stimulant botanical, first in the maker's evening blend. The 2023 ACG and AGA guideline suggests magnesium oxide and senna, each conditional, on very low and low certainty evidence.

Which one fits a routine better?

All Day Slimming Tea arrives as tea bags, and the maker describes a package holding thirty morning bags and thirty evening bags. The two blends are not interchangeable. The evening blend lists senna leaves, licorice root, peppermint, fennel, orange peel, cinnamon bark, dandelion, lemongrass, ginger, and monk fruit. BloomWell makes no health claim about it.

Fit is practical, not scientific. A capsule is quick, portable, and silent: it survives travel and a late dinner, and asks nothing of you. A cup of tea takes a few minutes, and for many people that pause is the point. WebMD notes you can take magnesium before bed, as it may make you sleepy. A tea is a warm caffeine-free ritual if the blend has no green or oolong leaf.

The honest question is not whether magnesium is good or whether an evening tea is good. It is which one you actually want standing in that slot.

Reading the timing honestly

WebMD gives magnesium a thirty minute to six hour window, so an unfamiliar dose taken late can land at an inconvenient hour. A first trial on a night with nowhere to be is sensible, and the same caution applies to a senna-containing evening tea. The 2023 guideline authors framed this as shared decision making. Lin Chang, MD, said providers should engage patients' preferences.

If you already keep an evening ritual, keep it small and repeatable rather than stacking four new things at once. One warm cup, the same hour, is easier to hold for a month. Nicoya, in Costa Rica, is one of five Blue Zones, and the maker describes its recipe as inspired by that tradition. If that is the habit you would keep, the maker explains its own approach in full.

A
What the research says

"In adults with chronic idiopathic constipation, the panel suggests the use of magnesium oxide over management without it, a conditional recommendation with very low certainty of evidence."

ACG and AGA Chronic Constipation Guideline, American Gastroenterological Association

Free to read · The maker's claims and terms are on their official page

When should you ask a doctor?

Constipation that is new and persistent, or that arrives with pain, bleeding, unexplained weight loss, or a clear change in your usual bowel habits, is a reason to call your doctor promptly. Magnesium interacts with some medications and is handled differently with reduced kidney function, and senna is not for open-ended daily use. Ask your pharmacist, who knows your medication list.

The nine o'clock slot is a habit question first. Magnesium and a senna-based evening tea were both examined in the same 2023 guideline, and both came back conditional, which is a fair reason to stop looking for a winner. The tea is not a treatment and nothing here diagnoses anything. Choose the one you will actually repeat, and bring anything unusual to a professional who knows your history.

A calm morning in soft light
A gentler morning · after 50
Both
Key finding · GRADED CONDITIONAL

A 2023 ACG and AGA guideline suggests magnesium oxide and senna for chronic constipation, both conditional recommendations, based on very low and low certainty evidence. [1]

Two habits, one nightly slot

What actually changed
01
Osmotic

Osmotic pull

Magnesium helps the intestine absorb water, which increases peristalsis.

02
Senna

Senna at night

Senna leads the maker's evening blend, taken after dinner, not in the morning.

03
Both

Both conditional

The 2023 guideline graded magnesium oxide and senna as conditional.

Morning light on a balcony
A gentle daily ritual
From the BloomWell kitchen
Serves 1 · 6 minAfter dinner

Fennel and peppermint wind-down

Ingredients

  • 1 cup hot water
  • 1 tsp crushed fennel seedcarminative
  • 1 tsp dried peppermint leafcaffeine free
  • Thin slice of lemon

Method

  1. Lightly crush the fennel seed to release its oils.
  2. Steep fennel and peppermint in hot water for 5 minutes, covered.
  3. Strain, add a thin slice of lemon, and sip slowly after your evening meal.

Adaptogens readers pair with it

Compare
How the 9 p.m. options compare
OptionHow it actsTiming2023 guideline
Magnesium oxideOsmotic water pull30 min to 6 hoursConditional, very low
SennaSenna alexandrinaStimulant botanicalOvernight, per makerConditional, low
Peppermint leafMentha piperitaTraditional carminativeMinutes, as a teaNot evaluated
Fennel fruitFoeniculum vulgareTraditional carminativeSame day, as a teaNot evaluated

People also ask

Common questions

Neither is a clear winner. A 2023 ACG and AGA guideline suggests magnesium oxide and senna for chronic constipation, both as conditional recommendations. Ask your doctor which suits you.

WebMD says a magnesium laxative can take anywhere from 30 minutes to 6 hours to work. That wide window is why a first dose is best tried on an unhurried evening at home.

The maker lists senna leaves, licorice root, peppermint, fennel fruit, orange peel, cinnamon bark, dandelion, lemongrass, ginger, and monk fruit in its evening bag.

Ask your doctor or pharmacist first. Both act on the same nightly window, and stacking them is a medical question about your own medications, not an editorial one.

No. BloomWell makes no such claim and is not a medical provider. Nothing here diagnoses, treats, cures, or prevents any condition. Talk with your own doctor.

Sources & references

Cited evidence
  1. 1Magnesium for Constipation: How to Use It So It Works. WebMD. https://www.webmd.com/diet/magnesium-constipation-how-use-it
  2. 2ACG and AGA guideline on chronic constipation management is first to recommend supplements Magnesium Oxide and Senna as evidence-based treatments. American Gastroenterological Association. https://gastro.org/press-releases/acg-and-aga-guideline-on-chronic-constipation-management-is-first-to-recommend-supplements-magnesium-oxide-and-senna-as-evidence-based-treatments/
  3. 3All Day Slimming Tea official site (maker's ingredient list and usage). Manufacturer (getalldayslimmingtea.com). https://getalldayslimmingtea.com/

Related reading

From the journal
COMPARISONFiber Or Tea: Which FirstTIMINGDetox On EmptyTIMINGAfter EatingTIMINGTea Before Bed

You may also like

More from BloomWell

Explore more topics

Browse the journal
01Magnesium02Senna03Evening routine04Constipation05Herbal tea

Readers keeping an evening ritual month to month tend to look at the maker's 3-month option.

Reader comments

0 comments

No comments yet. Be the first to share your thoughts.

BloomWell

Advertorial disclosure: This article contains affiliate links. BloomWell may earn a commission at no cost to you. Sponsored content. BloomWell is an editorial brand and is not a substitute for medical advice. Individual results vary.

FDA disclaimer: 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. Individual results may vary. This article is for informational and editorial purposes only and is not medical advice. Consult your healthcare provider before making changes to your diet or health routine.

Reading nowYour 9 p.m. Cup Decides