Which kitchen-cabinet cures hold up under a Cochrane review, which are harmless theater, and which can actually hurt you.
It is 2 a.m., your throat feels like gravel, and the internet is thrilled to help. The first ten results swear that apple cider vinegar, raw garlic, and a spoonful of colloidal silver will fix you by morning. Some of that is genuinely true. Most of it is decoration. A little of it can turn a bad night into an emergency-room visit.
The useful question was never "is it natural." Plenty of natural things do nothing, and a few are poisons. The useful question is what happens when someone runs the remedy as an actual trial and counts the results. For a surprising number of folk cures, someone has. Here is what the good evidence says, sorted into the three categories that matter: what works, what is mostly theater, and what to never do.
General education, not medical advice. None of this replaces a doctor for anything serious, and the dose and the situation always matter.
What actually works
Honey is the rare folk remedy that beats the pharmacy at its own game. A 2018 Cochrane review found it calms a child's nighttime cough about as well as dextromethorphan, the active ingredient in most cough syrups, and better than an antihistamine or nothing at all. One warning matters more than the cough itself: never give honey to a baby under one year old, not even baked into food. Infant botulism is rare and serious, and the spores shrug off heat.
For a minor burn, the most useful thing in this entire article is free and already plumbed into your kitchen. Hold the burn under cool running water for a full twenty minutes. That is the number from the British Burn Association, and nearly every casual source undersells it as five or ten. Cool, not ice. Ice is in the "hurts you" section below for a real reason.
And when a stomach bug has both ends running, the thing that actually saves people is not a drug. It is a ratio of salt and sugar in clean water. Oral rehydration solution is the World Health Organization's frontline treatment for diarrheal illness on the entire planet. A pre-mixed sachet beats eyeballing it at home, because the electrolyte balance is the whole point.
The rest of the genuinely-useful shelf:
| Remedy | For | The verdict |
|---|---|---|
| Petroleum jelly | Minor cuts | Keep the wound moist and covered, not scabbed. Dermatologists prefer plain Vaseline to "triple antibiotic" ointments, which heal no better and trigger a common neomycin allergy that looks just like infection. |
| Colloidal oatmeal | Eczema, itch | The only natural ingredient the FDA permits a label to claim treats itch. Around 40% itch improvement in a week. |
| 1% hydrocortisone | Itch, rashes, bites | Boring, cheap, works. The strongest steroid you can buy without a prescription. |
| Saline nasal rinse | Congestion | Probably eases a stuffy nose. Use distilled or boiled-and-cooled water, never straight tap (rare but fatal brain-amoeba risk). |
| Zinc lozenges | A cold you already caught | May trim a day or two, but only if you start within 24 hours and suck lozenges, not swallow pills. The evidence is shaky and contested. Skip the nasal zinc sprays entirely. They have caused permanent loss of smell. |
| Cranberry | Recurrent UTIs | Cuts repeat infections by roughly a quarter in women who get them often. Does nothing for a UTI you already have, and nothing for most other people. |
| Enteric-coated peppermint oil | IBS | The American College of Gastroenterology endorses it for irritable bowel, even while grading the evidence as low. |
| Peppermint oil, 10%, on the temples | Tension headache | Beat placebo about as well as acetaminophen in controlled tests, working in roughly 15 minutes. |
| Ginger | Nausea | Decent for morning sickness, weaker for motion sickness. Check with a clinician on dose during pregnancy. |
What is mostly theater
These have reputations far bigger than their results. Not dangerous, just not doing much.
Vitamin C is the most famous cold remedy that does not prevent colds. Across about thirty trials and eleven thousand people, regular supplements did not lower anyone's chance of catching one. It shaves under a day off a cold's length, which is exactly why it feels like it "sort of" works. The lone exception is people under extreme physical strain, like soldiers and marathon runners.
Probiotics had a great story right up until the data got bigger. The 2010 review said they helped acute diarrhea. The 2020 update, with eighty-two studies and twelve thousand people, reversed the finding: no meaningful effect on whether the illness dragged past two days. The yogurt is fine. The health claim is not. (That is acute diarrhea, a separate question from the diarrhea that comes with a course of antibiotics.)
| Remedy | Claimed for | Reality |
|---|---|---|
| Echinacea | Preventing colds | 24 trials, graded "weak." The preparations vary so wildly the studies barely agree with each other. |
| Cinnamon | Blood sugar | NCCIH's verdict: "research doesn't clearly support cinnamon for any health condition." |
| Turmeric / curcumin | Roughly everything | Insufficient evidence for most uses, and your gut absorbs almost none of it anyway. |
| Apple cider vinegar | Weight loss, "detox," blood sugar | The weight and detox claims are empty. It nudges post-meal blood sugar a trivial amount, and it quietly erodes tooth enamel and can burn your throat if you drink it undiluted. |
| The BRAT diet | Recovery from a stomach bug | Officially retired. Pediatricians now say return to a normal diet early. Bananas-rice-applesauce-toast is just under-nutrition with a friendly acronym. |
| Baking soda paste | Bug bites | Folk-level at best. The "neutralizes the venom" idea fails basic chemistry, since bee venom is acidic and wasp venom is not. |
| Aloe vera | Burns, sunburn | Soothing, possibly a mild help, but every trial is small and low-quality. Fine as comfort, not as treatment. |
What can actually hurt you
This is the section worth reading twice. Some popular remedies are not merely useless. They cause the exact injury they promise to fix.
On a burn, skip the pantry folklore. Butter and oil trap the heat against your skin. Toothpaste is non-sterile and irritating. Ice clamps the blood vessels shut and deepens the wound, turning a first-degree burn into something worse. Cool water, nothing else, and leave the blister alone, because intact skin is a free sterile bandage.
In a cut, the thing that stings the most is the thing to skip. Hydrogen peroxide and rubbing alcohol kill the bacteria and the healthy tissue trying to close the wound. Dermatologists now say to rinse with plain water and leave the antiseptics in the cupboard. The same logic keeps peroxide out of your ears, where repeated use strips the lining raw.
Then the potions that keep poison control busy:
- Colloidal silver. No function in the body, no proven benefit, and one signature side effect: argyria, a permanent blue-grey staining of the skin that never washes out. The FDA has prosecuted sellers over it.
- Swallowing essential oils. Poison-center calls for essential-oil exposure doubled in a few years, most of them children. A single teaspoon of wintergreen oil can kill a small child. These belong in a diffuser, not on a spoon.
- Activated charcoal "detox." It does pull certain poisons from the gut in an ER, inside a narrow time window. It does nothing for a hangover or an ordinary Tuesday, and it will happily soak up your prescription medications too.
- Megadose vitamins. More is not safer. Excess vitamin A causes birth defects, excess B6 causes nerve damage, and a daily fistful of vitamin C builds kidney stones.
- Detox teas. Your liver and kidneys already detox you, around the clock, for free. The teas mostly act as laxatives, and a few herbal extracts have landed people in liver failure.
One myth earns its own line because almost everyone believes it: peeing on a jellyfish sting does nothing useful, and can fire off more stingers. Rinse with vinegar for many species (though not the Portuguese man-of-war, where vinegar makes it worse), then soak in hot water. Fresh water and rubbing both worsen it. The fact that the right move depends on the species is the whole reason the urine trick was always nonsense. It was never going to be one answer for all of them.
What's actually worth keeping at home
Strip away the theater and a short, cheap, slow-to-expire shelf does most of the real work.
| Keep this | What it's genuinely for |
|---|---|
| Honey | Nighttime cough, anyone over age one. |
| Oral rehydration sachets | The actual treatment for a bad stomach bug. The most underrated item on this list. |
| Table salt | Saltwater gargle for a sore throat, and saline nasal rinse (with clean water). |
| Petroleum jelly | Keeping minor cuts moist so they heal cleaner. |
| Colloidal oatmeal | Eczema and itch. |
| 1% hydrocortisone cream | Itch, rashes, bites. |
| Aloe gel | Sunburn comfort. A soother, not a cure. |
| Ginger | Queasy stomachs, especially morning sickness. |
Popular but pointless, save your money: vitamin C tablets "to avoid getting sick," echinacea and elderberry and oscillococcinum, cinnamon and turmeric capsules for general "wellness," apple cider vinegar for weight or blood sugar, and anything labeled detox, cleanse, or colloidal silver.
One rule sits under all of it. A home remedy is for a small, self-limiting problem. Chest pain, trouble breathing, a wound that won't close, a fever that won't break, a baby that can't keep fluids down: none of that is a honey-and-ginger situation. For a poisoning or an overdose, the number is 1-800-222-1222, free and staffed around the clock.
The pattern across all of it is almost funny. The cures that survive a real trial tend to be the cheapest, most boring things in the house: salt water, petroleum jelly, a spoon of honey. The expensive, exciting, ancient-secret remedies are the ones that evaporate the moment somebody counts. The cabinet was mostly right all along. It was the marketing wrapped around it that wasn't.
TL;DR
- Worth it: honey (cough, over age 1), oral rehydration salts (dehydration), 20 minutes of cool running water (burns), petroleum jelly (cuts), colloidal oatmeal and 1% hydrocortisone (itch), saline rinse with clean water (congestion).
- Overrated: vitamin C and echinacea for colds, probiotics for acute diarrhea, cinnamon, turmeric, apple cider vinegar, the BRAT diet.
- Dangerous: butter, toothpaste, or ice on burns; hydrogen peroxide or alcohol in wounds; nasal zinc; colloidal silver; swallowing essential oils; detox anything; megadose vitamins.
- Two hard lines: no honey under age one, and call Poison Control (1-800-222-1222) for any poisoning or overdose.
Sources
- Cochrane Reviews: honey for cough (CD007094), zinc for colds (CD014914), cranberry for UTI (CD001321), saline irrigation (CD006821), probiotics for diarrhea (CD003048), honey for wounds/burns (CD005083)
- NIH / NCCIH: common cold approaches, echinacea, cinnamon, turmeric, cranberry, ginger, tea tree oil, colloidal silver
- FDA Skin Protectant Monograph (colloidal oatmeal) and AAD wound care / petroleum jelly
- British Burn Association first-aid guideline and Mayo Clinic burns
- WHO/AAFP rehydration and BRAT, NCCIH peppermint oil for IBS, Poison Control on essential oils, and jellyfish sting evidence review