Honey is widely promoted as a natural and healthier alternative to refined sugar, often praised for its supposed benefits in weight management, detoxification, and overall wellness. However, scientific evidence reveals a far more nuanced picture. Recent studies have explored several aspects of honey and its derivatives, including the potential anti-obesity effects of honey proteins observed in animal models, the possible mood-enhancing benefits of plant-derived functional honeys in human trials, and the complex metabolic effects associated with honey consumption in large meta-analyses. While certain components of honey—such as proteins related to royal jelly—may influence metabolism, the high sugar content of ordinary honey remains a significant consideration for metabolic health. This article reviews emerging research to answer a common question: is honey truly a health ally, or can it become a sweet metabolic burden when consumed excessively?
Open almost any social media platform and you will find countless posts about honey. Some people swear by drinking a cup of honey water every day, believing it can detoxify the body, improve skin appearance, and even promote weight loss—making it a “must-have” for women. Others argue that honey is more “natural,” and whether used in drinks or as a sweetener, it must surely be healthier than milk tea or foods containing added sugar.
The debate around honey has never truly stopped. On supermarket shelves, honey ranges in price from a few dozen yuan to hundreds—or even thousands. With labels such as “natural” and “healthy,” many brands successfully persuade consumers to spend generously. After all, who wouldn’t want to enjoy sweetness while also gaining health benefits?
But the key question remains: Can honey really help with weight loss? What exactly does it do to our bodies? Is it a powerful slimming aid, or simply a sweet trap?
Honey Proteins: A Surprisingly Potential Ally Against Weight Gain
Let’s begin with some encouraging news. What many people may not realize is that honey contains not only sugars, but also components that have long been overlooked—honey proteins. A 2025 animal study published in the Journal of Medicinal Food provided new insights into these proteins.
Researchers extracted proteins from acacia honey and used them to conduct experiments on 24 male rats. These rats were first divided into two groups: one received a normal diet, while the other was fed a high-fat diet for four weeks. Afterward, each group was further divided into two subgroups. One subgroup received injections of honey proteins, while the other received saline injections, and the experiment continued for another four weeks.
Figure: Effects of ND, HFD, and treatments with honey protein or saline on calorie intake and body weight in rats
The results were striking. As expected, rats on the high-fat diet rapidly gained weight. However, once they began receiving honey protein injections, the situation changed dramatically.
Regardless of whether the rats were on a normal or high-fat diet, those receiving honey protein injections showed significantly lower weight gain compared with those injected with saline. For example:
In the normal-diet group, rats injected with saline gained 41.0 g, while those injected with honey proteins gained only 26.9 g, a reduction of 52%. In the high-fat diet group, saline-treated rats gained 60.4 g, while the honey-protein group gained only 19.9 g, more than three times less.
Interestingly, the rats did not eat less. In fact, their calorie intake was slightly higher than that of the control group—yet they gained less weight. This raises a crucial question: How could they eat more but gain less weight?
The answer appears to lie in changes in energy efficiency. Researchers calculated that rats in the normal diet + saline group required 36.6 kcal to gain 1 gram of body weight, while the normal diet + honey protein group required 59.3 kcal, an increase of 62%. The difference was even more dramatic in the high-fat diet groups: from 24.2 kcal to 79.2 kcal, more than three times higher.
This suggests that honey proteins may increase basal metabolic rate, enabling the animals to burn more energy.
But the story does not end there. The study also found that honey proteins significantly improved blood lipid profiles. In the normal-diet group, triglyceride levels decreased from 129.3 mg/dL to 103.7 mg/dL. In the high-fat diet group, triglycerides dropped even more dramatically—from 189.8 mg/dL to 98.3 mg/dL, nearly a 50% reduction. Blood glucose levels also improved in the normal-diet group.
Figure: Effects of ND, HFD, and honey protein (HP) on serum total cholesterol (A), triglycerides (B), and glucose (C) levels in rats
To investigate the molecular mechanisms behind these effects, researchers examined the expression of three key genes in adipose tissue. The results showed that honey proteins significantly increased the expression of fatty acid binding protein (FABP), hepatic lipase (LIPC), and apolipoprotein A-1 (APOA1).
In simple terms, these genes act like “fat-burning switches” within the body. When activated by honey proteins, they promote lipid breakdown and metabolism.
The researchers speculate that these remarkable proteins may actually belong to the major royal jelly proteins (MRJPs) found in royal jelly. These proteins are believed to contribute to the queen bee’s exceptional lifespan and reproductive capacity compared with worker bees. In the rat model, they appear to demonstrate impressive anti-obesity potential, offering new ideas for future obesity treatments.
Of course, this research is only the beginning. Scientists acknowledge that further studies are needed to identify which specific proteins are responsible and whether similar effects can occur in humans.
Honey and Mood: Possible Benefits Beyond Metabolism
If animal experiments feel distant from everyday life, consider a study conducted in humans.
At the 2024 European Public Health Conference, researchers from Hungary reported an interesting clinical trial. In this study, 45 healthy volunteers consumed “special honey” combined with yogurt every day for three weeks.
Participants were divided into three groups:
- One group consumed honey produced by bees fed with sea buckthorn extract
- Another group consumed honey from bees fed with green walnut extract
- The control group consumed ordinary acacia honey
The results were intriguing. By the third week, participants in the sea buckthorn honey group showed significant improvements: enhanced physical functioning, reduced anxiety and depressive symptoms, and an increase in overall health scores from 84.1 to 88.7.
The green walnut honey group also experienced benefits. Their EQ-5D overall quality-of-life score improved, and overall life-function scores increased from 90.6 to 99.2.
In contrast, the control group consuming regular acacia honey showed no noticeable changes. These findings suggest that the benefits of honey may not come solely from honey itself, but also from the botanical sources associated with its production. Different plant extracts provided to bees may confer distinct functional properties to the honey they produce.
For example, active compounds in sea buckthorn honey may help regulate mood, while compounds in green walnut honey might contribute to improved overall well-being.
This research also introduces a new concept in honey science: rather than relying solely on naturally occurring honey varieties, it may be possible to modulate the diet of bees, effectively turning them into miniature biological factories that produce functional honey tailored to specific health goals—such as “anti-anxiety honey,” “sleep-support honey,” or “immune-boosting honey.”
The Other Side of the Story: Honey Intake Should Not Exceed 10 g per Day
Before becoming too enthusiastic about honey’s benefits, another major study offers an important reminder.
A comprehensive analysis published in 2025 in Nutrition and Diabetes examined the health effects of honey through a re-analysis of existing systematic reviews and meta-analyses. This large study included 69 randomized controlled trials involving 3,544 participants, making the conclusions particularly robust.
Researchers evaluated the evidence using the rigorous GRADE system and concluded that honey’s health effects are a double-edged sword.
First, the positive findings: consuming 10 grams of honey per day (about half a tablespoon) was associated with a reduction in HbA1c, an important indicator of long-term blood glucose control. For individuals with elevated blood sugar levels, this could be beneficial.
However, the negative effects appeared once intake increased. At higher consumption levels, honey was associated with increases in systolic blood pressure, fasting blood glucose, triglycerides, liver enzymes (AST), and inflammatory markers (hs-CRP).
The dose-response findings were particularly revealing:
- 10 g/day: most notable reduction in HbA1c
- 20 g/day: fasting blood glucose begins to rise
- Around 25 g/day: liver enzyme levels reach their peak
Figure: Pairwise analysis of the effects of honey, royal jelly, and propolis on cardiometabolic biomarkers
The researchers also examined other bee products such as royal jelly and propolis, which showed more consistent and promising health effects.
Royal jelly was associated with:
- Reduced blood pressure
- Improved lipid profiles (total cholesterol, triglycerides, LDL cholesterol)
- Increased total antioxidant capacity
Propolis demonstrated benefits across multiple dimensions:
- Reduced body weight and body fat percentage
- Improved glucose metabolism (fasting glucose, 2-hour postprandial glucose, insulin, HbA1c, insulin resistance)
- Anti-inflammatory effects (reduced IL-6, TNF-α, MCP-1)
- Antioxidant effects (increased TAC and GSHPx)
- Liver protection (reduced AST and ALT)
Figure: Non-linear dose–response analysis of honey and its derivatives on cardiometabolic outcomes
The researchers explained that ordinary honey performs less favorably largely because its main component is sugar, with fructose and glucose accounting for about 95% of its composition.
Fructose, in particular, can bypass key regulatory steps of glycolysis and directly promote lipid synthesis, potentially contributing to hypertriglyceridemia.
In contrast, compounds such as 10-H2DA and insulin-like substances in royal jelly, as well as flavonoids and polyphenols in propolis, appear to be the true contributors to many health benefits associated with bee products.
Conclusion
Taken together, the three studies paint a complex picture of honey’s health effects.
On the positive side, honey proteins—especially those related to royal jelly proteins (MRJPs)—have shown remarkable anti-obesity potential in animal experiments, activating fat-metabolism genes, increasing metabolic rate, and reducing triglyceride levels. In addition, certain plant-derived functional honeys, such as sea buckthorn honey and green walnut honey, may improve mood and overall quality of life.
However, an important caution remains: ordinary honey is still primarily sugar, consisting of about 95% fructose and glucose. Consuming more than 10 grams per day (about half a tablespoon) may begin to produce adverse metabolic effects, including increases in blood glucose, blood lipids, blood pressure, liver burden, and inflammatory markers.
Therefore, the claim that “honey is healthier than added sugar” may not fully withstand metabolic scrutiny. In short, honey can be beneficial—but only when quality and quantity are carefully considered.
References
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Gohar A, et al. Natural Honey Proteins Prevent Diet-Induced Obesity and Metabolic Disorders in Rats. Journal of Medicinal Food, 2025.
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Hajzer ZE, et al. Beneficial clinical effects of honey from bees fed with specific plant extracts. European Journal of Public Health, 2024.
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Norouzzadeh M, et al. Dosage exploration of the effects of honey and its derivatives on cardiometabolic outcomes: an overview of systematic reviews and GRADE-assessed updated meta-analysis. Nutrition and Diabetes, 2025.