Chemotherapy Side Effects
Chemotherapy side effects are unwanted effects that may occur during or after chemotherapy. They describe the burden of treatment a person notices, rather than the cancer itself or a separate disease.
See Chemotherapy Side Effects in an oncology-focused context.
This list shows research findings, not treatments. Nothing here replaces medical care. If you have this condition, talk to a doctor.
What may help
What studies found for each option, best evidence first.
3 options:1 some evidence1 not enough evidence1 not tested in people
YogapracticeSome evidence it helpsSize of effect: Medium
Some human studies found a benefit. More research could change this.
All 2 studies with a clear result found a benefit.
A pooled analysis whose designs were not recorded reported reduced fatigue in the yoga subgroup. For cognitive outcomes related to chemotherapy, the review found no direct trial evidence.
Open the Yoga pageTurkey TailsupplementNot enough evidence
Too few or too small studies to know if it works.
Turkey Tail (PSK) is used alongside cancer treatment to reduce chemotherapy-related immune suppression and improve quality of life, particularly in gastric and colorectal cancer.
Open the Turkey Tail pageAcupuncturepracticeNot tested in people
Only tested in animals, cells or theory. Results like these often do not carry over to people.
The one study found a benefit.
Acupuncture is recommended for managing chemotherapy-induced nausea and vomiting, peripheral neuropathy, and aromatase inhibitor-related joint pain.
Open the Acupuncture page
The expert view shows every study, dose protocol and source.
What may help
Interventions recorded as helping with this condition3 listedMost likely to help, from the evidence we have
- →PracticesYogaCertaintyMediumSourceRCTModerate effect
A pooled analysis whose designs were not recorded reported reduced fatigue in the yoga subgroup (SMD=-0.63, 95% CI -0.97 to -0.30, p=0.0002). For cognitive outcomes related to chemotherapy, the review found no direct trial evidence.
How big is the effect
Moderate effectA clear difference on average.
Who was studied
- People with a condition
- Cancer
- Chemotherapy Side Effects
Open YogaStudy result
Yoga subgroup significantly reduced fatigue (SMD=-0.63, 95% CI -0.97 to -0.30, p=0.0002)
Low probability(1)(0)(1)
- →PracticesAcupunctureCertaintyLowSourceTheoretical
Acupuncture is recommended for managing chemotherapy-induced nausea and vomiting, peripheral neuropathy, and aromatase inhibitor-related joint pain.
Open AcupunctureStudy result
Acupuncture is recommended for managing chemotherapy-induced nausea, vomiting, peripheral neuropathy, and aromatase inhibitor-related joint pain.
Very low probability(1)(1)(0)
- →SupplementsTurkey TailCertaintyVery lowSourceReference knowledge
Turkey Tail (PSK) is used alongside cancer treatment to reduce chemotherapy-related immune suppression and improve quality of life, particularly in gastric and colorectal cancer.
Open Turkey TailStudy result
May help mitigate chemotherapy-induced immunosuppression and improve quality of life during cancer treatment.
What to avoid
Interventions recorded as making it worseNothing in this library is currently recorded as making Chemotherapy Side Effects worse. Coverage is partial, and absence here is not evidence of safety.
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
Chemotherapy side effects are unwanted effects that may occur during or after chemotherapy. They describe the burden of treatment a person notices, rather than the cancer itself or a separate disease. Their nature and severity can vary, and supportive approaches such as Ginger, Astragalus, Reishi, or Taurine are discussed as adjuncts rather than replacements for oncology care.
Evidence-backed options
These options are described as adjunctive supportive care during chemotherapy rather than as replacements for cancer treatment. The proposed benefits cluster around managing treatment-related symptoms, including nausea and vomiting, fatigue, and immune suppression, along with broader measures such as immune function and quality of life. The available descriptions suggest that the intended role is supportive and may differ according to the outcome being considered and the cancer treatment setting.
The evidence is limited in strength overall. Taurine is supported only by a theoretical rationale, while the other options are described in pharmacology references rather than through clearly detailed clinical regimens here. Turkey Tail is described as particularly relevant to supportive care during gastric and colorectal cancer treatment, but this does not establish that the same findings apply to every cancer type or chemotherapy plan.
No dose, treatment duration, or onset timing is specified for these options, so it is not possible to say what was taken, for how long, or how quickly an effect might appear. These gaps are important when interpreting supportive-care claims, especially because chemotherapy regimens, cancer types, and individual health circumstances vary. Anyone considering an option alongside chemotherapy should discuss it with an oncology clinician.