health
Fertility Improvement
Fertility improvement refers to a favorable change in reproductive potential or fertility-related outcomes. It is an outcome category, not a diagnosis and not a guarantee of pregnancy.
Fertility Improvement is a health-related effect focused on this specific wellness outcome.
These are research findings, not promises. Most options have little evidence, and results differ from person to person.
What may help
None of these options has good evidence yet. Best evidence first.
5 options:1 mixed2 not enough evidence2 no benefit found
AcupuncturepracticeMixed resultsSize of effect: Medium
Studies disagree: some found a benefit, others found none. Do not count on it.
9 of 10 studies found a benefit; 1 found none. Strongest study: a pooled analysis of several trials.
Pooled randomized-trial analyses reported higher clinical pregnancy rates with acupuncture, including a risk ratio of 1.25 among 9,390 people in one analysis. Results differed by comparison: a separate review found no significant difference between acupuncture and sham acupuncture.
Open the Acupuncture pageSwedish (Classic) MassagepracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a randomized controlled trial.
A randomized trial involving 30 patients reported recovery of reproductive function in 33% of them.
Open the Swedish (Classic) Massage pageAcceptance and Commitment Therapy (ACT)practiceNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a small pilot study.
Open the Acceptance and Commitment Therapy (ACT) pageExpressive WritingpracticeNo benefit found
Studies looked for a benefit and did not find one.
The one study found no benefit. Strongest study: a randomized controlled trial.
A 2025 trial involving 90 participants found no significant differences among study groups in the number of ova or embryos formed. The studies did not support fertility improvement.
Open the Expressive Writing pageCupping TherapypracticeNo benefit found
Studies looked for a benefit and did not find one.
The one study found no benefit. Strongest study: a randomized controlled trial.
Human study findings do not establish that Cupping Therapy improves fertility in people with PCOS (Polycystic Ovary Syndrome).
Open the Cupping Therapy page
The expert view shows every study, dose protocol and source.
What may help
Linked to improving it5 listedStart here
Most likely to help, from the evidence we have
- →PracticesAcupunctureCertaintyMediumSourceRCTModerate effectconflicting findings10 other sources
Pooled randomized-trial analyses reported higher clinical pregnancy rates with acupuncture, including a risk ratio of 1.25 among 9,390 people in one analysis. Results differed by comparison: a separate review found no significant difference between acupuncture and sham acupuncture.
How big is the effect
Moderate effectA clear difference on average.
Who was studied
- People with a condition
- Female Infertility
- Pcos
- Poor Ovarian Reserve
Open AcupunctureStudy result
Acupuncture was associated with higher clinical pregnancy rate [risk ratio (RR) = 1.25; 95% confidence interval (CI), 1.14-1.37]... Certainty of evidence for all overall major outcomes was very low.
Low probability(2)
- →PracticesSwedish (Classic) MassageCertaintyLowSourceClinical1 other source
A randomized trial involving 30 patients reported recovery of reproductive function in 33% of them.
Who was studied
- People with a condition
Open Swedish (Classic) MassageStudy result
recovered reproductive function in 33% of the patients
- →PracticesAcceptance and Commitment Therapy (ACT)CertaintyLowSourceClinical1 other source
In a pilot study of 20 people, fertility-related quality-of-life scores increased from 44.6 (8.4) before treatment to 50.5 (13.2) afterward (Cohen's d = 0.49).
Who was studied
- People with a condition
Open Acceptance and Commitment Therapy (ACT)Study result
Medium increases in psychological flexibility and fertility quality of life were observed. FertiQoL Core: Pre 44.6 (8.4) to Post 50.5 (13.2), Cohen's d = 0.49.
Very low probability(2)
- →PracticesExpressive WritingCertaintyVery lowSourceClinical1 other source
A 2025 trial involving 90 participants found no significant differences among study groups in the number of ova or embryos formed. The studies did not support fertility improvement.
Open Expressive WritingWho was studied
- People with a condition
- Female Infertility
- →PracticesCupping TherapyCertaintyVery lowSourceClinical1 other source
Human study findings do not establish that Cupping Therapy improves fertility in people with PCOS (Polycystic Ovary Syndrome).
Open Cupping TherapyWho was studied
- People with a condition
- Pcos
Practices compared
Practices with at least one trial of their own for this goal. Ranked by how sure the evidence is, then effect size.| Practice | How sure | Effect size | Own trials | What worked in trials |
|---|---|---|---|---|
| Acupuncture | CertaintyMediumSourceRCT | Moderate effect | 9 trials or pooled analyses | 0.4–2 weeks |
| Acceptance and Commitment Therapy (ACT) | CertaintyLowSourceClinical | 1 trial or pooled analysis | ||
| Swedish (Classic) Massage | CertaintyLowSourceClinical | 1 trial or pooled analysis |
What worked in trials: From the smallest to the typical amount in the trials that found this benefit. Not the most anyone did, not a target and not a limit.
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
Fertility improvement refers to a favorable change in reproductive potential or fertility-related outcomes. It is an outcome category, not a diagnosis and not a guarantee of pregnancy. Research in this area includes interventions such as Tribulus Terrestris and Selenium, while findings for other interventions may come from animal studies rather than studies in humans.
How interventions help
Interventions linked with this outcome have been studied across different settings, so their results are not directly interchangeable. The clinical evidence includes human studies of Tribulus Terrestris, Selenium, and Melatonin, while Cordyceps, Lycopene, and Reishi have been studied in animals. Berberine and Curcumin are supported here by reviews rather than direct human evidence. Findings from animal studies or reviews may indicate a possible direction for research, but they do not establish the same effect in people.
The time course also varies. Reported study periods range from 12 days and 14 days in some animal work to 28 days, 35 days, 3 months, or longer trial windows. Melatonin studies varied from 3 days to 8 weeks or ART-cycle-based use, while Tribulus Terrestris was studied over 28 days and Alpha-Lipoic Acid (ALA) over 3 months. These time frames describe when outcomes were assessed, not how quickly an individual should expect a change.
The outcomes measured were not uniform: reports include increased fertility-related measures, improved ovulation rates, and positive associations, while some studies found changes in particular markers but not others. Results for Alpha-Lipoic Acid (ALA) and Melatonin are not consistent across the evidence summarized here. No information establishes whether any improvement persists after an intervention is stopped, and the evidence does not apply equally across all fertility contexts or health statuses.
Choosing guidance
For readers who want evidence from humans, Tribulus Terrestris and Selenium are the most directly relevant options, while Melatonin also has human trial evidence. The human evidence does not apply equally to every fertility context, because the studies were not specified by health status. Melatonin was studied across protocols lasting from brief periods to several weeks or an ART-cycle-based course, so it may suit readers comparing options used around a defined treatment period rather than expecting an immediate effect.
Alpha-Lipoic Acid (ALA), Cordyceps, Lycopene, Reishi, Berberine, and Curcumin are less suitable for decisions that require direct human evidence. ALA was assessed in animal research and has conflicting evidence. Cordyceps, Lycopene, and Reishi were also studied in animals, with study periods ranging from days to several weeks. Berberine is supported here by a review without a reported dose, while Curcumin’s reported findings come from multiple animal studies.
The time commitment varies considerably: some options were examined over days or weeks, whereas others were assessed over months. Where studies disagree, as with ALA and Melatonin, the findings should be treated as less settled even when a study reports a positive result. Readers who prefer a human-evidence starting point may focus on Tribulus Terrestris, Selenium, or Melatonin; readers considering animal or review-based options should recognize that their findings may not translate directly to people.