Eligibility Criteria:
Inclusion Criteria:
* Self-reported history of cancer diagnosed \> 12 months prior to enrollment excluding non-melanoma skin cancer with no evidence of disease at enrollment.
* Eligible solid tumor cancer types include Stage 1-3 breast, lung, head and neck, colorectal, anal, prostate, melanoma, bladder/ureteral, esophageal, gastric, pancreatic, kidney, liver/biliary, uterine, cervical, ovarian, sarcoma. (superficial disease and in situ disease only is excluded)
* Eligible hematologic malignancies include lymphoma any subtype any stage in remission, multiple myeloma in remission, leukemia any subtype in remission.
* Eligible prior cancer treatment modalities include surgery, radiation, chemotherapy, hormonal therapies, immunotherapy, biologic therapies.
* All anti-cancer therapy completed \> 12 months prior to enrollment
* Age 65 years and older
* Presence of self-reported fatigue defined by a response of "somewhat, quite a bit or very much" to the screening question "During the past seven days, did you feel fatigued: Not at all, a little bit, somewhat, quite a bit, very much?"
* Ability to walk without requiring assistance from another individual (use of cane or walker acceptable)
* Normal organ and marrow function as defined below:
* leukocytes \>3,000/mcL
* absolute neutrophil count \>1,500/mcL
* platelets \>100,000/mcL
* total bilirubin within normal institutional limits
* AST(SGOT)/ALT(SGPT) \<2.5 X institutional upper limit of normal
* creatinine clearance \>30 mL/min
* Ability to understand and the willingness to sign an IRB-approved informed consent document (either directly or via a legally authorized representative).
Exclusion Criteria:
* Active malignancy or on-going cancer treatment including oral anti-estrogen therapy, immunotherapy, biologic therapy.
* Men receiving androgen deprivation therapy
* Use of Coumadin or Warfarin (other blood thinners are acceptable)
* Symptomatic congestive heart failure
* Lung disease requiring oxygen
* End stage renal disease requiring dialysis
* Inability to swallow capsules
* Chronic nausea or diarrhea defined by a frequency of ≥ once per week
* Hemoglobin \<10 g/dl
* Diagnosis of dementia
* Uncontrolled intercurrent illness including, but not limited to ongoing or active infection, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
* Known untreated hypothyroidism
* Allergy to muscadine grapes or muscadine grape preparations