Reference library
Follow the sources.
Clinical recommendations, nutrient references, safety information, and clearly identified manufacturer materials used in this edition. Checked October 14, 2026.
A source link supports the context in which it is cited. Publication dates vary. Manufacturer pages report brand information and are not independent proof of clinical outcomes. Inclusion here does not imply affiliation or endorsement.
Professional clinical practice statement
Bariatric nutrition and evaluation of the metabolic surgical patient: Update to the 2022 OMA clinical practice statement
Obesity Medicine Association clinical practice statement / Obesity Pillars
Published 2024. Bariatric nutritional assessment, preventive supplementation, divided calcium, and separation of calcium from iron.
Federal health reference
Vitamin B12 and Breastfeeding
Centers for Disease Control and Prevention
Maternal malabsorptive surgery and B12 deficiency risks during breastfeeding; page reviewed March 27, 2026.
Professional guideline
ASMBS Integrated Health Nutritional Guidelines: 2016 Update, Micronutrients (published 2017)
American Society for Metabolic and Bariatric Surgery
Procedure-specific prevention, screening, and repletion guidance. The publication year is retained; this is not represented as a new 2026 guideline.
Clinical reference
Medical Management of the Post Operative Bariatric Surgery Patient
Endotext / NCBI Bookshelf
Chapter updated August 6, 2025; postoperative supplementation, monitoring, and bone health.
Patient education
Life After Bariatric Surgery
ASMBS
Lifelong supplements, nutrition, and follow-up.
Patient education
Bariatric Surgery: Postoperative Concerns
ASMBS
Procedure-related nutrition concerns; older background resource interpreted alongside newer clinical references.
Federal health reference
Iron: Health Professional Fact Sheet
NIH Office of Dietary Supplements
Iron status, side effects, and medication interactions; general nutrient information, not a bariatric prescription.
Federal health reference
Calcium: Health Professional Fact Sheet
NIH Office of Dietary Supplements
Elemental calcium, forms, absorption, and medication interactions.
Federal health reference
Vitamin B12: Health Professional Fact Sheet
NIH Office of Dietary Supplements
Absorption, testing, oral and sublingual forms, and deficiency risks.
Federal health reference
Thiamin: Health Professional Fact Sheet
NIH Office of Dietary Supplements
Thiamine functions and severe deficiency risk after bariatric surgery.
Federal health reference
Folate: Health Professional Fact Sheet
NIH Office of Dietary Supplements
Folate forms, labeling units, health effects, and interactions.
Federal health reference
Vitamin D: Fact Sheet for Consumers
NIH Office of Dietary Supplements
Vitamin D function, testing, and excessive intake.
Federal health reference
Vitamin A and Carotenoids: Fact Sheet for Consumers
NIH Office of Dietary Supplements
Preformed vitamin A, carotenoids, toxicity, and pregnancy considerations.
Federal health reference
Vitamin E: Fact Sheet for Consumers
NIH Office of Dietary Supplements
Vitamin E deficiency and high-dose bleeding concerns.
Federal health reference
Vitamin K: Health Professional Fact Sheet
NIH Office of Dietary Supplements
Vitamin K and anticoagulant interactions.
Federal health reference
Zinc: Fact Sheet for Consumers
NIH Office of Dietary Supplements
Zinc functions, intake, and effects of excess on copper.
Federal health reference
Copper: Fact Sheet for Consumers
NIH Office of Dietary Supplements
Copper functions, deficiency risks, and excessive intake.
Federal health reference
Vitamin B6: Fact Sheet for Consumers
NIH Office of Dietary Supplements
Excess supplemental B6 and nerve injury.
Federal health reference
Dietary Supplements and Life Stages: Pregnancy
NIH Office of Dietary Supplements
Pregnancy nutrient considerations, folic acid, and preformed vitamin A.
Patient education
Obesity and Pregnancy
American College of Obstetricians and Gynecologists
Pregnancy after bariatric surgery and nutritional follow-up.
Federal consumer guidance
FDA 101: Dietary Supplements
U.S. Food and Drug Administration
U.S. regulation, Supplement Facts panels, and the limits of FDA premarket approval.
Federal consumer guidance
Dietary Supplements: What You Need to Know
NIH Office of Dietary Supplements
Evaluating supplement claims, quality, and safety.
Federal patient education
Weight-loss Surgery Side Effects
National Institute of Diabetes and Digestive and Kidney Diseases
Postoperative complications and nutrition concerns.
Federal patient education
Treatment for Constipation
NIDDK
General constipation management; postoperative instructions and individual circumstances take precedence.
Federal safety information
Biotin Interference with Troponin Lab Tests
U.S. Food and Drug Administration
Biotin can interfere with some laboratory tests; assay-specific preparation belongs with the treating team.
Federal consumer guidance
Food Allergies
U.S. Food and Drug Administration
Allergen labeling, cross-contact, and allergic reactions.
Poisoning information
Poison Control
National Capital Poison Center
U.S. poison center number 1-800-222-1222 and emergency escalation.
Manufacturer information
Bari Liquid Force: Published Supplement Facts and Ingredients
Bari Liquid Force
Manufacturer-reported formula only. Not independent testing, evidence of clinical superiority, or a recommendation.
Manufacturer information
Bari Liquid Force: Manufacturer FAQ and Directions
Bari Liquid Force
Used to identify stated delivery form and directions. Marketing outcome claims are not adopted as clinical evidence.