body
Hot Flashes
Adverse effectHot flashes are episodes of feeling hot or flushed, described here as a body-related outcome. They are treated as an adverse effect, rather than a beneficial health outcome.
Hot Flashes are listed here as a body-related health topic for quick reference.
These are research findings, not promises. Most options have little evidence, and results differ from person to person.
What can cause it
How likely each one is to cause it, most likely first.
BreathworkpracticeUnclear
Based on one study. Strongest study: a pooled analysis of several trials.
A 2023 pooled analysis whose study designs were not recorded reported hot flushes; it did not state how often they occurred.
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The expert view shows every study, dose protocol and source.
What can cause it
Interventions reported to bring this on1 listedHighest probability
- →PracticesBreathworkCertaintyLowSourceClinical1 other source
A 2023 pooled analysis whose study designs were not recorded reported hot flushes; it did not state how often they occurred.
How to read the evidence
Evidence tier — overall strength of the evidence for the whole compound
- StrongWell established — backed by strong, consistent human research.
- ModerateSome genuine support, but mostly from small or lower-quality studies. Promising, not proven.
- PreliminaryEarly-stage evidence — a promising hypothesis, not an established effect yet.
- LimitedVery limited evidence — treat this as a hypothesis, not proof.
- InsufficientNot enough good evidence to draw conclusions yet.
Certainty — how sure we can be that the effect is real
- Very highVery sure — strong, consistent evidence
- HighFairly sure — consistent evidence from good studies
- MediumModerately sure — new studies could change this
- LowNot sure — little or mixed evidence
- Very lowVery unsure — almost no usable evidence
Source — where the data comes from
- Meta-analysisPooled analysis of many trials — the strongest evidence
- RCTRandomized controlled trial — a strong human study design
- ClinicalA human clinical study
- Reference knowledgeFrom general health-science or pharmacology references, not a study of this exact claim
- Animal researchStudied in animals, not humans
- Community reportsAggregated user reports — anecdotal signal, not evidence
- TheoreticalMechanism-based reasoning, not yet tested
Study grade — quality of each underlying study (A best, D weakest)
- AHigh-quality — strong, consistent human trials
- BGood — solid evidence with some limitations
- CModerate — limited, small, or mixed-quality studies
- DWeak — preliminary, indirect, or animal-only
Confidence — how strongly the sources back a finding
A 0–100 score from study quality and agreement
Most supplement evidence is graded C–D. Read it as preliminary signal, not proof.
Full write-up
What is it
Hot flashes are episodes of feeling hot or flushed, described here as a body-related outcome. They are treated as an adverse effect, rather than a beneficial health outcome. Related wording includes “hot flushes” and “increased hot flushes.” Curcumin, Magnesium, Panax Ginseng, and St. John’s Wort are among the interventions listed in connection with this outcome.
How interventions help
The available findings do not point to a consistent way of reducing hot flashes. Instead, several interventions are associated with hot flushes or hot flashes, while St. John's Wort is associated with increased hot flushes. This means these entries should not be interpreted as evidence that supplements broadly relieve this outcome.
The findings also differ in how they were observed. Curcumin, Magnesium, and Panax Ginseng have been examined in clinical research, whereas reports involving Oregano Oil and Tongkat Ali (Eurycoma) are anecdotal. For Tongkat Ali (Eurycoma), the reported pattern is described alongside hormonal modulation and temperature dysregulation. These differences matter because anecdotal reports can describe experiences without establishing whether the intervention caused them.
The people represented by these findings are not otherwise characterized by health status, so it is unclear whether the same patterns apply across different groups. No dose, duration, or onset information is provided here, and the findings do not establish whether any temperature-related effects continue after an intervention is stopped.
Choosing guidance
The options differ mainly in the type of support behind them. Curcumin, Magnesium, Panax Ginseng, and St. John's Wort have clinical evidence, but the underlying designs are not the same: some are supported by a meta-analysis or systematic review, while another is represented by cohort evidence. These forms of evidence should not be treated as directly interchangeable when considering how consistently an effect has been observed.
Oregano Oil and Tongkat Ali (Eurycoma) are supported by anecdotal evidence rather than clinical evidence. That makes them less useful for choosing an option when a reader is looking for findings from clinical research. The entries do not specify a health status, so it is not possible to tell from this page which option best applies to a particular population.
Dose, duration of use, and how quickly an effect appeared are not specified here. They therefore cannot be used to rank these options from this page alone. The listed options also describe hot flashes or hot flushes, while St. John's Wort refers to increased hot flushes; that distinction matters when interpreting what the evidence is describing.