Morning Glory.
Two very different plants share this name. Ipomoea aquatica is a leafy green you cook and eat. The ornamental species' seed is a harsh purgative carrying lysergic-type alkaloids.
- Category
- Herb
What Morning Glory is, and what it does.
- Does it work
- The leafy species suits anyone eating it as a vegetable. Seed of the alkaloid-bearing species is legally controlled in several countries and is not a food-supplement ingredient.
- How much to take
- No dose figure is on record, and none should be inferred. The seed's purgative action is dose dependent, and the leafy species is eaten as a vegetable rather than dosed.
- Time to feel it
- Eaten as a green it behaves like any leafy vegetable. Seed preparations act on the gut within hours, and that purgative response is not a subtle one.
- The first dose
- As a cooked green, day one is a plate of vegetables and nothing more. Seed material, by contrast, makes itself known through the gut inside the same day.
- With regular use
- Eaten regularly, the leafy species gives the fibre and micronutrients of a green vegetable, with oxalate and, from heavily fertilised water, nitrate as the constituents worth knowing.
- How well tolerated
- The green is an ordinary vegetable. Seed of the alkaloid-bearing species is a harsh purgative, is receptor-active at serotonergic sites, and is controlled in several countries.
- How it feels
- Cooked Ipomoea aquatica tastes like a mild spinach with a hollow, crunchy stem. Seed preparations feel like a strong laxative and can bring nausea with them.
- The overlooked benefit
- Sweet potato is the same genus. Ipomoea covers a leaf vegetable, a staple root crop and a controlled ornamental seed, so the species name on a label decides everything.
The proof, claim by claim.
These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.
- purgative action of seed resin glycosidesNarrative review
- serotonergic activity of seed ergoline alkaloidsIn vitro study
- nutrient content of Ipomoea aquatica as a leaf vegetableNarrative review
- oxalate and nitrate content of the leafy speciesNarrative review
Why these belong in the same formula. Each row says what the basis is, from settled biochemistry through to a trial that measured the pair.
Activated charcoal adsorbs a wide range of plant alkaloids and glycosides in the gut lumen. Taken in the same window as morning glory seed material, it lowers how much of those constituents reach the bloodstream. Anyone taking morning glory for an intended effect will find charcoal blunts it. Separate the two by several hours if both are wanted.
Morning glory seed resin glycosides are strongly purgative. Psyllium adds bulk and holds water. Used together the effect on transit stacks, and cramping or urgency becomes more likely than with either alone. This is a mechanistic expectation, not something measured in a trial.
Repeated stimulant purgation increases faecal fluid and with it electrolyte losses, potassium among them. Low potassium is a real consequence of habitual purgative use rather than a theoretical one. If morning glory seed is used for its laxative action, potassium status is the thing to watch. This is a caution about the pairing, not a recommendation to combine them.
Magnesium oxide, citrate and sulfate draw water into the bowel lumen. Morning glory seed preparations act by irritating the mucosa and pulling fluid in as well. The two together produce more fluid loss than either does alone. Dose overlap is the practical issue.
Morning glory seed of several Ipomoea species carries ergoline alkaloids structurally related to lysergic compounds, and these bind serotonin receptor subtypes. 5-HTP feeds serotonin synthesis upstream. Combining a serotonin precursor with a receptor-active alkaloid is an additive serotonergic exposure and is a reason to keep them apart. No human study has measured this pairing.
St John's wort alters monoamine handling, and Ipomoea seed alkaloids act at serotonin receptors. The combination is an additive serotonergic load with no useful reason behind it. Read this as a flag rather than a pairing to build a formula around.
Ergoline compounds are vasoconstrictive at the receptor level, and caffeine raises catecholamine drive. Stacked, the cardiovascular effect is additive rather than offsetting. Anyone using morning glory seed material should count caffeine intake in the same picture.
Purgative plant preparations reliably provoke nausea and griping. Ginger has been added to purgative formulas for a long time to soften that. The pairing is traditional practice, and the evidence for ginger sits in nausea generally rather than in this specific combination.
Nothing specific on file for Morning Glory. Match the label to the daily amount above, and tell your doctor what you take.
Not medical advice. Show the label to your pharmacist.What Morning Glory actually does.
The seeds work as a harsh laxative because their resins irritate the gut and drag water in.
The seeds also carry lysergic-type alkaloids, which act on serotonin receptors and are controlled in many places.
Morning glory is a whole plant family. One species is a dinner vegetable, another is sweet potato, another has psychoactive seeds.
The edible water spinach type is just a green. Oxalate and nitrate are the things worth knowing about it.
Where Morning Glory comes from.
Two very different plants share this name. One is a leafy vegetable you can cook. The other has seeds that act as a violent laxative and carry lysergic-type alkaloids, and those seeds are controlled in many countries.
Made from a plant. What ends up in the capsule tracks the harvest, so batch testing and a stated marker matter more here than with a made molecule.
Seed from ornamental Ipomoea species, or leaf and shoot from Ipomoea aquatica grown as a water vegetable. The two feedstocks are chemically unrelated in the ways that matter.
Alcohol and water extraction pulls ergoline alkaloids and glycoresins from seed. Leaf material is usually just dried or blanched.
Historical pharmacy practice separated the alcohol-soluble glycoresin from inert seed matter to concentrate the purgative fraction.
Modern supply is mostly dried leaf for culinary use or unstandardised seed powder sold as botanical material.
Getting Morning Glory from food.
The whole-food sources on file. A supplement closes the gap, it does not replace dinner.
A gram-for-gram figure (how much of each you would eat to match a dose) will appear here once it is sourced and reviewed. This page will not print a number it cannot cite.
The forms it comes in.
The essence, in one line each.
- O-acetylserine (thiol) lyase inhibition is described as a candidate herbicide target in weed species, morning glory among the plants named.In vitro study. Foletto-Felipe et al., 2023 (Plant Physiology and Biochemistry). PMID 37890229 ↗
- Gene expression data combined with machine learning predicted fitness-related traits in Ipomoea, a plant-genetics question rather than a nutrition one.In vitro study. Henry et al., 2025 (Genome Biology and Evolution). PMID 39983007 ↗
These are the studies our verdict leans on, chosen from the 2 we read for Morning Glory. The full linked list is below.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.