MI / B-Complex (B2, B3, B5, B12) (M)

+Chronium +Carnitine (Trimtropic II) Injection

Available Dosage Strengths

20 mg / 40 mg / 5 mg / 33 mg / 2 mg / 1 mg / 25 mcg / 25 mg/mL

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Product Overview

MI / B-Complex + Chromium + Carnitine (Trimtropic II) Injectable Description1-10

Trimtropic II is a combination of the ingredients below, formulated to support weight loss along with proper nutrition, diet and exercise programs.

Methionine- Essential sulfur-containing amino acid used in protein synthesis and methylation pathways.

Inositol- A sugar alcohol structurally similar to glucose; involved in cell signaling and insulin response.

Riboflavin (B₂)- Water-soluble vitamin essential for oxidative energy metabolism and enzyme function.

Niacinamide (B₃)- Amide form of niacin; supports cellular energy and redox reactions as part of NAD/NADP coenzymes.

Pantothenic Acid (B5) -Vitamin B₅; required for coenzyme A synthesis and fatty acid metabolism.

Methylcobalamin (B12)- Active form of vitamin B₁₂; essential for methylation/methyl transfer, nerve function, and red blood cell production.

Chromium Picolinate- Trace mineral complex with evidence to support insulin action (potentially reducing insulin resistance) and support glucose metabolism.

L-Carnitine- An amino acid derivative that transports fatty acids into mitochondria for oxidation, with a high concentration in skeletal and cardiac muscle.

Mechanism of Action 1-10

Methionine- Supports methylation reactions and may assist in lipid metabolism; methionine restriction is associated with improved metabolic markers in some models.

Inositol- May improve insulin signaling via phosphatidylinositol pathways; explored in PCOS and metabolic syndrome.

Riboflavin (B₂)- Cofactor in flavoprotein enzymes (FAD, FMN) involved in carbohydrate, fat, and protein metabolism.

Niacinamide (B₃)- Provides NAD/NADP for redox reactions critical to ATP production and lipid metabolism.

Pantothenic Acid- Integral for CoA and acyl-carrier proteins, enabling fatty acid oxidation and biosynthesis.

Methylcobalamin (B12)- Supports homocysteine remethylation and DNA synthesis; assists in energy conversion indirectly.

Chromium Picolinate- May enhance insulin receptor sensitivity and carbohydrate metabolism.

L-Carnitine- Transports long-chain fatty acids across mitochondrial membranes for beta-oxidation (energy production).

Adverse Effects 1-10

Common

Methionine- Possible increase in homocysteine levels; rare GI discomfort or headaches.

Inositol- Generally well tolerated; high doses may cause nausea, bloating, dizziness, or fatigue.

Riboflavin (B₂)- Generally safe; may cause bright yellow urine.

Niacinamide (B₃)- High doses may cause flushing (less so than niacin), nausea, or elevated liver enzymes.

Pantothenic Acid- Mild GI upset or diarrhea at high doses.

Methylcobalamin (B12)- Injection site soreness, rare diarrhea or skin rash.

Chromium Picolinate- Headache, dizziness, nausea; high doses may affect kidney or liver function.

L-Carnitine- Nausea, vomiting, diarrhea; insomnia and restlessness reported with higher doses.

Contraindications and Precautions 1-10

Methionine- Use caution in cardiovascular disease, hyperhomocysteinemia, or hepatic impairment.

Inositol- Monitor use in those with bipolar disorder or insulin therapy; consult physician.

Riboflavin (B₂)- No known major contraindications; generally safe in most populations.

Niacinamide (B₃)- Caution in liver disease or diabetes; monitor liver enzymes.

Pantothenic Acid- Generally safe; rare hypersensitivity reactions have been reported.

Methylcobalamin- Avoid in hereditary optic neuropathy (Leber’s disease); monitor for polycythemia.

Chromium Picolinate- Avoid in patients with renal or hepatic impairment; caution with concurrent NSAIDs or corticosteroids.

L-Carnitine- Avoid or closely monitor in seizure disorders and end-stage renal disease; not

recommended during pregnancy without supervision.

Store at room temperature; protect from light moisture and heat. DO NOT REFRIGERATE.

  1. Medlineplus- Methionine; Accessed June 14, 2025, through: https://medlineplus.gov/druginfo/natural/875.html
  2. Methionine – Professional Monograph; NatMed Pro; 2025; https://naturalmedicines.therapeuticresearch.com/Data/ProMonographs/Methionine 
  3. NIH Monograph – Inositol; Accessed June 14, 2025, through: https://ods.od.nih.gov/factsheets/MyoInositol-HealthProfessional/
  4. Inositol – Professional Monograph; NatMed Pro; 2025; https://naturalmedicines.therapeuticresearch.com/Data/ProMonographs/Inositol 
  5. NIH Monograph – Riboflavin; Accessed June 14, 2025, through: https://ods.od.nih.gov/factsheets/Riboflavin-HealthProfessional/
  6. NIH Monograph – Niacinamide; Accessed June 14, 2025, through: https://ods.od.nih.gov/factsheets/Niacin-HealthProfessional/
  7. NIH Monograph – Pantothenic Acid; Accessed June 14, 2025, through: https://ods.od.nih.gov/factsheets/PantothenicAcid-HealthProfessional/
  8. NIH Monograph – Vitamin B12; Accessed June 14, 2025, through: https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/
  9. NIH Monograph – Chromium; Accessed June 14, 2025, through: https://ods.od.nih.gov/factsheets/Chromium-HealthProfessional/
  10. NIH Monograph – L-Carnitine; Accessed June 14, 2025, through: https://ods.od.nih.gov/factsheets/Carnitine-HealthProfessional

This sheet is a summary. It may not cover all possible drug information about this product. Call your doctor for medical advice and/or about side effects. You may report side effects to the FDA at 1-800-FDA-1088.  A Wells Pharmacy Network pharmacist will be happy to answer any questions. For consultation, please call 1-800-622-4510.

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