“My ex-girlfriend contacted me to say that I may be the father of her 5 year old daughter. Your test proved that I am the true biological father. It’s a life changer. Thank you.”

Jared, SD

“I was very impressed with the ease and discretion of the testing process. I received my results quickly and quietly.”


“My husband has always mentioned that our two children maybe did not belong to him and accused me of being involved with his friend at the time that our children were conceived. I knew that this was not true. We finally decided to get a paternity test done to put an end to this. Sure enough, the results of the paternity test indicated greater than 99.9999% that he was the father of our children. Our family is now closer than ever before.”

R. Stern, Seattle, WA

“A++++. Near the date that my test was scheduled to be completed, I was so nervous that I ended up calling your lab almost once every hour. Thank you for putting up with me. I won’t forget your kindness.”

G. Lopez, NY, NY

7 factors that Increase your risk of vitamin D deficiency


Older adults have an increased risk of vitamin B12 deficiency often due to atrophic gastritis (affects 10-30% of older adults), or pernicious anemia (affects 1-2% of older adults). Atrophic gastritis decreases hydrochloric acid secretion in the stomach, inhibiting the release
of vitamin B12 bound to protein in food sources, and potentially increasing the levels of bacteria that utilize vitamin B12. Synthetic vitamin B12 (in fortified foods and supplements) is in the free form so is still well absorbed by affected individuals. Pernicious anemia is an autoimmune disorder characterized by a lack of intrinsic factor, which usually binds to free vitamin B12 before it is absorbed in the small intestine. It is usually treated by intramuscular vitamin B12.

Gastrointestinal issues

Individuals who suffer from gastrointestinal disorders (e.g. celiac disease and Crohn’s disease) or have had gastrointestinal surgeries (e.g. weight loss surgery) may have reduced vitamin B12 and folate absorption. 

Vegetarians and vegans 

Vegetarians and vegans are at increased risk of vitamin B12 deficiency as natural food sources of vitamin B12 are restricted to animal sources.

High alcohol consumption

Individuals who consume high amounts of alcohol are at increased risk of folate deficiency, partly due to poor diets that are commonly associated with alcohol use disorder. In addition, alcohol inhibits proper folate absorption, accelerates folate breakdown, and increases its excretion from the body.


Pregnant women have an increased risk of folate deficiency, due to the increased demands for folate required for the developing fetus. The recommended daily intake increases from 400 mcg DFE/day for non-pregnant women to 600 mcg DFE/day during pregnancy. All pregnant women, as well as those trying to conceive, should take vitamin supplements that include folic acid to reduce the risk of neural tube defects and other complications.


A common genetic polymorphism in the MTHFR gene, known as 677C>T, is associated with an increased risk of folate deficiency, due to an impaired ability to convert folate to its active form, 5-MTHF. Supplementation with the active form of folate may benefit these individuals.


Certain medications can increase the risk of folate and vitamin B12 deficiency, including phenytoin, trimethoprim-sulfamethoxazole, methotrexate, and sulfasalazine for folate, and metformin, proton pump inhibitors (PPIs), antacids, long-term antibiotics, and antidepressants for vitamin B12.

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