ID	Sample Type	Species	Inclusion criteria
184606	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
184721	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
185631	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
186373	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
197265	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
200433	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
202463	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
203581	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
208554	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
209828	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
193152	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
198715	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
199899	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
193557	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
201440	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
200912	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
208767	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
209363	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
212837	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
214460	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
181749	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
210190	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
184673	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
190182	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
193029	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
195024	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
196356	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
196557	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
210166	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
203115	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
197075	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
197255	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
197747	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
198028	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
198557	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
200037	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
200967	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
202761	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
202317	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
200215	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
203245	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
203440	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
203777	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
203868	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
207787	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
181435	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
181896	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
182346	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
183111	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
183112	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
183601	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
184585	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
186289	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
186385	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
186428	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
191485	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
200484	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
201343	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
203467	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
207652	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
208069	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
209037	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
195259	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
199594	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
199917	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
200332	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
202201	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
201676	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
209164	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
210061	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
213304	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
214880	Plasma EDTA	Human	"Women using oral contraceptives for > six months;  20-40 y; no history of gastrointestinal surgery, abnormal kidney or thyroid function, or any other chronic disease; no smoking or chronic drug use or alcoholism; BMI < 32 kg/m2; no vitamin, amino acid or protein supplementation; non-pregnant; normal  folate , vitamin B-12  and total homocysteine."
