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Level2 Content Review Process

All of the content published on Level2 — from articles to videos to emails — is based in established science and reviewed by medical professionals from UnitedHealth Group.
Our process begins with Subject Matter Experts from the Level2 Product team who determine the areas of need for our Level2 members. Our Content team produces content and strategizes distribution. Our Clinical and Legal teams review and sign off on each item.
For more information, please email us at info @
Content References:

  1. Dietary carbohydrate restriction improves metabolic syndrome independent of weight loss. [PubMed]
  2. Despite similar weight loss, low-carbohydrate diet delivers insulin reductions, smaller fat cells than low-fat diet. [Healio] [ScienceDirect]
  3. The effect of a low-carbohydrate, ketogenic diet versus a low-glycemic index diet on glycemic control in type 2 diabetes mellitus. [NCBI]
  4. Effectiveness and Safety of a Novel Care Model for the Management of Type 2 Diabetes at 1 Year: An Open-Label, Non-Randomized, Controlled Study. [PubMed]
  5. Effects of a low-carbohydrate diet on glycemic control in outpatients with severe type 2 diabetes. [PubMed]
  6. Insights from a general practice service evaluation supporting a lower carbohydrate diet in patients with type 2 diabetes mellitus and prediabetes: a secondary analysis of routine clinic data including HbA1c, weight and prescribing over 6 year. [BMJ]
  7. Carbs against Cardio: More Evidence that Refined Carbohydrates, not Fats, Threaten the Heart. [Scientific American]
  8. Dietary glycemic index, glycemic load and mortality: Japan Public Health Center-based prospective study. [PubMed]
  9. Postprandial Blood Glucose Predicts Cardiovascular Events and All-Cause Mortality in Type 2 Diabetes in a 14-Year Follow-Up. [PubMed]
  10. Association of Hemoglobin A1c with Cardiovascular Disease and  Mortality in Adults: The European Prospective Investigation into Cancer in Norfolk. [PubMed]
  11. EASD: Elevated HbA1c Associated With Nonfatal CVD, Even in Nondiabetics. [Diabetes In Control] [EASD]
  12. Glycemic Control and Coronary Heart Disease Risk in Persons With and Without Diabetes. [PubMed]