by COWBERRY

12 May 2026
clock

8 minute read

Honey benefits and side effects: what the research shows

Honey benefits and side effects: what the 2018 Cochrane cough review, the 2023 cardiometabolic meta-analysis and the antibacterial lab work actually found, plus who should avoid honey and how much a day counts as free sugar.
A jar of golden honey with a wooden dipper and a small dish of tulsi leaves on a light wooden table

The honey benefits worth repeating are narrow and sourced: a 2018 Cochrane review on children’s coughs, a 2023 meta-analysis on heart and metabolic measures, and laboratory work on antibacterial action. The side effects are the sugar rules everyone needs. This page separates each claim from its evidence. The honey hub covers the food itself.

Honey benefits: what trials actually found

Three findings carry real evidence, and each deserves its true size rather than a headline.

Cough in children

Six randomised controlled trials, 899 children between 12 months and 18 years, sit inside a 2018 Cochrane review. Honey probably cut cough frequency better than doing nothing and better than a placebo, may have matched dextromethorphan, a standard cough syrup, and may have beaten diphenhydramine, with the benefit holding for up to three days. Two cautions belong beside that result: most children in the studies had honey on a single night only, so the evidence speaks to short, one-night relief rather than a standing habit, and in the placebo comparisons slightly more honey-takers reported stomach complaints, 12 percent against 11 percent. The evidence begins at age 1 upward and changes nothing about the under-1 rule.

Heart and metabolic measures

A 2023 systematic review and meta-analysis pooled 18 controlled trials with 1,105 participants and graded every finding. In the pooled numbers, fasting glucose fell by 0.20 mmol/L, total cholesterol by 0.18, LDL cholesterol by 0.16 and triglycerides by 0.13, while HDL rose by 0.07 mmol/L. Only the HDL rise carries high certainty; the authors graded every other change as low-certainty evidence. Their own conclusion stays hedged: honey, especially robinia, clover and unprocessed raw honey, may nudge glycemic control and lipid levels in a better direction when eaten within a healthy diet, and they ask for more studies before the certainty grows.

Antibacterial action

The antibacterial claim is real but belongs to the laboratory. A 2011 review traces the antimicrobial activity in most honeys to the enzymatic production of hydrogen peroxide; for non-peroxide honey such as manuka, which stays active with the peroxide blocked, it says low pH and high sugar content may explain the effect. It also notes that medical-grade honeys show strong bactericidal action in laboratory tests against antibiotic-resistant bacteria. Nothing in that evidence turns a breakfast spoon into medicine: the studies describe medical-grade preparations and laboratory activity, and the review itself notes that the antimicrobial strength of natural honeys varies widely with the nectar source.

Smaller honey benefits, and the claims that outrun them

A 2008 review sizes honey’s remaining credits honestly. It lists about 25 different oligosaccharides alongside the main sugars, and small amounts of proteins, enzymes, amino acids, minerals, trace elements, vitamins and polyphenols, and it reports that honey’s positive nutritional and health effects show up at higher doses of 50 g to 80 g per intake, which is 7 to 11 teaspoons at a single sitting, far above the spoon that lands in tea. Claims that outrun the sources deserve the same cold look. No cited study backs the immunity or cleansing claims that circulate about eating honey, and the review’s own dose line shrinks most of them: a food whose studied benefits begin at 50 g per intake has not been shown to deliver them at 7 g.

How much honey a day is sensible

The daily amount is set by the sugar rules, not by honey research. The WHO guideline recommends keeping free sugars, honey included, below 10 percent of daily energy, with a further cut below 5 percent suggested, and the Dietary Guidelines for Indians give adults the gram line: skip sugar or hold it to 20 g to 25 g a day. Against that, a level 7 g teaspoon of honey is about 21 kcal and 5.8 g of carbohydrate, so two teaspoons already hold 11.5 g, beyond half of a 20 g day, and one tablespoon takes most of it. For children the lines are stricter: no added sugar below 2 years, with honey named in the list, and no honey at all before a first birthday, so check with your paediatrician before honey reaches a young child’s plate. The per-spoon arithmetic is on the honey calories page.

Honey side effects and who should avoid it

Some people should skip honey altogether and others should count it closely; the reasons are published rules rather than warnings against everyone.

  • Babies under 1: no honey at all, because honey occasionally carries the bacteria behind infant botulism; the NHS draws the line at a child’s first birthday.
  • Children under 2: India’s guidelines want added sugar totally avoided, and honey is listed among the added sugars.
  • Children up to 4: the NHS says this age band should steer clear of food and drink with sugar, honey’s natural sugar included, and names the teeth as one reason.
  • Anyone with diabetes: honey is 82.4 g of carbohydrate per 100 g with a GI of 63, so count it inside the meal plan and settle the amount with your doctor or dietitian.
  • Weight loss: honey fits only inside the day’s sugar budget; a spoon has not been shown to take weight off, and the numbers are on the honey for weight loss page.
  • Pregnancy: honey counts as sugar, and India’s guidelines steer overweight pregnant women away from added sugars, honey among them, so talk to your doctor or dietitian before a daily spoon.

For everyone else, the side effect is simpler: honey is a free sugar, so too much of it acts like too much sugar, extra energy and less room for foods that carry real nutrition. In the cough trials, stomach complaints turned up slightly more often in the honey groups than in the placebo groups.

What honey is not

The 2023 meta-analysis opens with a sentence worth quoting: honey is a free sugar but is generally regarded as healthy. Both halves matter. A 2015 crossover trial in 55 adults had people take a daily 50 g of carbohydrate from honey, sucrose or high-fructose corn syrup, two weeks each, and found similar glucose, insulin, lipid and inflammatory responses across the three, with triglycerides rising on all of them, so honey earned no metabolic advantage over plain sugar. Honey is not a medicine, not a stand-in for vegetables and dal, and not a pass around the sugar limit; it is a sugar with a pleasant flavour and a short list of small effects. Exactly how much of the jar is sugar is on the sugar in honey page, and the honey hub links the whole cluster.

How to use honey well

This page’s practical end is short. Choose honey for taste, not for therapy: a raw, minimally processed jar is a buying decision, and COWBERRY’s honeys carry the India Organic, USDA & EU certified mark. Keep the spoon honest, one level 7 g teaspoon at a time, and let honey replace sugar rather than join it. Honey works best where its flavour is the point: stirred into tea off the boil, over porridge or yogurt, or inside the small-spoon recipes, the honey laddu, honey water and honey chilli potato, gathered in the honey recipes roundup. For the Hindi version of this page, see honey ke fayde aur nuksan; for everyday ways to use the jar, how to eat honey.

FAQs

Is honey good for health?

It is a sweetener, not a medicine. Honey has a GI of 63 and counts as a free sugar, and the trials give it a short, modest list: cough relief for children in a 2018 Cochrane review, small heart and metabolic shifts in a 2023 meta-analysis, and antibacterial action in the laboratory. Beyond those, most claims stay folk claims.

Which honey is best for health?

No cited study ranks honeys for health, so no honest answer names a winner. The 2023 meta-analysis saw better fasting glucose and total cholesterol results for robinia, clover and raw honey, but only in subgroup analyses, and the 2008 review ties honey’s studied benefits to doses of 50 g to 80 g per intake, not to any variety name. Choose a jar by taste and count it as sugar.

Can honey cause diabetes?

No cited study singles out honey as the cause of diabetes. The 2023 meta-analysis makes the wider point that excess calories from free sugars are implicated in the epidemics of obesity and type 2 diabetes, and honey is a free sugar. Keep it inside the day’s sugar line, and see the honey for diabetes page for the detail.

Is honey good for diabetes?

Not as a special sweetener. Per 100 g, honey carries 82.4 g of carbohydrate and a GI of 63, and the 2015 crossover trial saw it acting like sucrose at a daily 50 g of carbohydrate, so its edge over plain sugar is small. A counted spoon may fit a meal plan; settle the amount with your doctor or dietitian first.

Does honey contain sugar?

Yes: 82.4 g of carbohydrate per 100 g, mainly glucose and fructose, and the WHO’s free-sugar definition names honey outright. A 7 g teaspoon carries 5.8 g of carbohydrate and about 21 kcal. The gram-by-gram answer is on the sugar in honey page.

What are the side effects of honey?

For most people, the main side effect is sugar itself: extra energy and less room for nutrient-rich food when honey is overused. In the cough trials, stomach complaints were slightly more common on honey than on placebo, and babies under 1 must not have honey at all because of the botulism risk.

How much honey can I eat per day?

No health body prints a daily honey allowance, so work from the sugar lines: the WHO recommends keeping free sugars, honey included, below 10 percent of daily energy, and for adults the Indian guidelines say no sugar, or 20 g to 25 g a day. Two teaspoons of honey hold 11.5 g of carbohydrate, more than half of a 20 g day, so how much of it fits your day is one for your doctor or dietitian.

References

  1. Oduwole O, Udoh EE, Oyo-Ita A, et al. Honey for acute cough in children. Cochrane Database Syst Rev, 2018
  2. Ahmed A, Tul-Noor Z, Lee D et al. Effect of honey on cardiometabolic risk factors: a systematic review and meta-analysis. Nutr Rev, 2023
  3. Mandal MD, Mandal S. Honey: its medicinal property and antibacterial activity. Asian Pac J Trop Biomed, 2011
  4. Bogdanov S, Jurendic T, Sieber R et al. Honey for nutrition and health: a review. J Am Coll Nutr, 2008
  5. Raatz SK, Johnson LK, Picklo MJ. Consumption of Honey, Sucrose, and High-Fructose Corn Syrup Produces Similar Metabolic Effects in Glucose-Tolerant and -Intolerant Individuals. J Nutr, 2015
  6. WHO guideline: sugars intake for adults and children (2015)
  7. Dietary Guidelines for Indians, ICMR-National Institute of Nutrition
  8. NHS: Foods to avoid giving babies and young children
  9. USDA FoodData Central (SR Legacy): Honey, FDC ID 169640
  10. University of Sydney glycemic index database (GI search)

Shop this article

Shop all Honey