Please assess the completion status of the following clinical trial:

Trial Title: Choline Nutritional Status: Development of a Biomarker Panel

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: SCREENING
- Time Perspective: None
- Masking: TRIPLE
- Phase: None
- Number of Arms: 6.0

Eligibility Criteria:
Inclusion Criteria:~* Provision of signed and dated informed consent form~* Weigh 130-177lbs (or if over 177 must have BMI under 28)~* Stated willingness to comply with all study procedures and availability for the duration of the study~* Male or female, aged 17-70 years~* In good general health as evidenced by medical history, clinical chemistries, physical exam, and BMI≤ 30 or if over 177lbs with a BMI under 28~* Women who are included in the study and are of pregnancy potential will have a urine pregnancy test at the beginning and end of each dietary intervention arm and must be using some form of birth control during the study.~Exclusion Criteria:~* using drugs or medication known to be damaging to liver or muscle at typically prescribed doses or that have the potential to alter Cho metabolism (e.g., methotrexate);~* history of hepatic, renal, or other chronic systemic disease.~* subjects with liver abnormalities (e.g.cysts) as determined by ultrasound~* current smokers~* consume \>2 alcoholic beverages/d or \>14/wk~* substance abusers or drug addicted~* eating unusual diet that would interfere with the study~* food allergies, (e.g., soy) or any problems with eating all foods on required study diet~* using Cho-containing dietary supplements~* women who are breastfeeding, pregnant, or plan to become pregnant due to potential risk to fetus/child of low choline diet~* performing intense exercise of more than 1 hour a day or other intense muscle building exercise (such as weightlifting beyond low weight repetitions)~* Actively participating in other research study where required to exercise or ingest any food, medicine, or supplement in any manner~* have been screened for this study between August and March and have not provided proof of flu vaccination prior to enrollment

- Gender: ALL
- Minimum Age: 17 Years
- Maximum Age: 70 Years
- Healthy Volunteers: t

Study Arms:
- 25%Cho, 50%Cho, 100%Cho (Type: EXPERIMENTAL): Diets containing 137.5mg (25% Cho diet), 275mg (50% Cho diet), and 550mg (100% Cho diet) will be given in that order for two weeks each with 2 weeks of washout between.
- 25% Cho, 100% Cho, 50% Cho (Type: EXPERIMENTAL): Diets containing 137.5mg (25% Cho diet) , 550mg (100% Cho diet), and 275mg Cho (50% Cho diet) will be given in that order for two weeks each with 2 weeks of washout between.
- 50% Cho, 25% Cho, 100% Cho (Type: EXPERIMENTAL): Diets containing 275mg (50% Cho diet), 137.5mg (25% Cho diet), and 550mg Cho (100% Cho diet) will be given in that order for two weeks each with 2 weeks of washout between.
- 50% Cho, 100% Cho, 25% Cho (Type: EXPERIMENTAL): Diets containing 275mg (50% Cho diet), 550mg (100% Cho diet), and 137.5mg Cho (25% Cho diet) will be given in that order for two weeks each with 2 weeks of washout between.
- 100% Cho, 25% Cho, 50% Cho (Type: EXPERIMENTAL): Diets containing 550mg (100% Cho diet), 137.5mg (25% Cho diet), and 275mg Cho (50% Cho diet) will be given in that order for two weeks each with 2 weeks of washout between.
- 100% Cho, 50% Cho, 25% Cho (Type: EXPERIMENTAL): Diets containing 550mg (100% Cho diet), 275mg (50% Cho diet), and 137.5mg Cho (25% Cho diet) will be given in that order for two weeks each with 2 weeks of washout between.

Based on this trial design, predict the completion outcome and termination type (if applicable).

Answer: outcome: complete