Zepym Health
Log In
Lipo-C Injection

Weight supportL-carnitine

Lipo-C Injection

RxPrescription onlyInjected into the muscle · Twice a week · 15 mg · Weight support · L-carnitine

Starting at $109/mo

A lipotropic blend with L-carnitine alongside methionine and inositol, to support fat metabolism and energy during a physician-guided weight-loss plan.

Choose your plan

Start treatment· $109/mo

Real prices from our pharmacy. Longer plans cost less per month and are billed up front. Pause or cancel anytime.

  • L-carnitine carries fatty acids into the mitochondria to be burned
  • Methionine and inositol support liver fat handling
  • Weekly injection, dosed by your physician alongside your plan

Every plan includes

  • Personalized, physician-guided plan
  • Monthly, 3-month and 6-month plans
  • Dispensed by a US-licensed compounding pharmacy
  • Unlimited protocol adjustments and messaging
  • Ongoing support and check-ins
  • Pause or cancel anytime
  • Reviewed by our in-house physicians
  • Physician-guided care
  • Ongoing, expert support
  • 100% online
  • Free, discreet shipping

What is Lipo-C?

(the carnitine lipotropic blend)

Lipo-C pairs the lipotropic nutrients methionine and inositol with L-carnitine, the molecule that shuttles fatty acids into mitochondria so they can be burned for energy. It is chosen when energy during a calorie deficit is the main complaint. Like every lipotropic injection, it is support inside a plan, not a weight-loss drug on its own.

How it is taken
Injected into the muscle
How often
Twice a week
Dose range
15 mg
Form
Weight support · L-carnitine

1.2 kg

average additional weight loss with L-carnitine supplementation across 37 randomized trials, in a 2020 meta-analysis

That effect was seen mostly in people who were overweight or obese, on top of their diet; it is modest. Prescribed at your physician's discretion.

How it works,
week by week.

  1. Day 1

    A US-licensed physician reviews your symptoms, history and, when needed, your B12 level, and chooses the injection and schedule. The kit includes everything you need.

  2. Week 1

    A small intramuscular or subcutaneous injection, weekly to start. It takes under a minute; most people do it at home without trouble.

  3. Weeks 2–4

    If your B12 was low, energy, focus and tingling usually start improving here as stores refill.

  4. Months 2–3

    Your physician checks in, rechecks a level if needed, and stretches the interval or adjusts the blend to match your plan.

  5. Beyond

    Injections support the plan; food, movement and sleep do the work. Your physician helps you decide how long to continue.

What you may notice,
and when.

  • Steadier energy

    the most common change members report

  • Clearer focus

    especially when B12 was low to begin with

  • Support during weight loss

    lipotropic blends alongside a real plan

  • Nerve and blood health

    B12's core job

Individual results vary. Benefits reflect what Zepym Health members commonly report to their physician at check-ins; they are not the results of a clinical trial.

Safety first:
what to know before you start.

Important safety information and common side effects

Vitamin B12 and lipotropic injections are generally well tolerated. The most common effects are mild: soreness, redness or a small bruise at the injection site, and occasionally mild nausea, headache or a fishy body odor from choline in larger doses. B12 is water-soluble and excess is excreted. Rarely, injectable B12 can cause an allergic reaction, and it can lower potassium in the first days of correcting a severe deficiency. Not for people with cobalt allergy or Leber's disease (B12) or with a known allergy to any component. Lipotropic blends are not a substitute for a weight-loss plan and are not prescribed during pregnancy or breastfeeding without a specific reason. Stop and seek care for hives, swelling of the face or lips or trouble breathing. Tell your physician about every medication you take, especially metformin, acid reducers and blood thinners.

The research behind
L-carnitine.

L-carnitine helps move fatty acids into the cells' energy furnaces. Its trial evidence is for modest changes in blood lipids, from several meta-analyses; it is not evidence of weight loss.

What the studies found

  • Lowers total cholesterol, triglycerides and LDL in a pooled review of trials (umbrella meta-analysis, 2023)
  • Lowers total cholesterol in type 2 diabetes trials (meta-analysis, 2020)
  • Lowers lipoprotein(a) with oral dosing in randomized trials (meta-analysis, PMC4709689)

The trials used L-carnitine for blood lipids, orally or intravenously. Compounded lipo-C blends and their weight-loss claims were not tested in these trials.

What this does not say

  • Lipid effects are modest and are measured in blood, not as heart events.
  • No outcome trial shows fewer heart attacks or strokes from L-carnitine.
  • Weight loss is not shown by these meta-analyses.

The research
behind it.

A 2020 meta-analysis of 37 randomized trials found L-carnitine supplementation produced a modest additional weight loss, about 1.2 kg, mainly in people who were overweight or obese.

The effect is small and works on top of a real plan; lipotropic blends as a whole lack large trials. Your physician says so plainly and prescribes Lipo-C as support, not as the plan.

NAD+ and cellular energy:
what the trials showNAD+ precursors, NAD+ injections, glutathione and methylene blue: what has been tested in people, and what has not.Read the researchFatigue:
what to test before you treatB12, thyroid, sleep apnea, hormones and mood: the causes behind tiredness, what the labs show, and how common each one is.Read the research

Getting started
takes a few minutes.

  1. 1

    Connect with a physician

    Answer a few questions online and a US-licensed physician reviews your health, history and goals to make sure treatment is right for you. 100% online. No in-person visit required.

  2. 2

    Get your discreet shipment

    If approved, your treatment is compounded by a US-licensed, LegitScript-certified pharmacy, inspected for quality, and shipped discreetly to your door.

  3. 3

    Receive continuous support

    Start with one goal, then keep building over time. Unlimited physician messaging, easy refills and dose adjustments, all from the Zepym Health app.

Start treatment

Frequently asked questions

Contact support
How do I use Lipo-C?

Injected into the muscle, twice a week. The starting prescription is 1 mL (15 mg) each time. Your physician sets your own dose and it is printed on your label.

How much arrives in each shipment?

1 vial at the starting strength, shipped to your door from a licensed US pharmacy.

How is Lipo-C different from Lipo-B?

Lipo-B is built on choline and B12; Lipo-C swaps in L-carnitine, which helps mitochondria burn fat for energy and has modest trial evidence for extra weight loss. If low energy during a calorie deficit is your main issue, Lipo-C is often the choice. Your physician decides.

How do I inject it?

Usually into the muscle of the upper arm or thigh, or under the skin of the abdomen, once a week to start; your physician shows you and sets the schedule. The kit includes everything.

What are the side effects?

Mostly mild: soreness or a small bruise where you inject, occasional nausea or headache, and with larger choline doses a fishy odor. Serious reactions are rare. Read the safety information above and tell your physician about every medication.

Do I need a blood test?

For B12, often yes: a level tells your physician whether you are deficient and how often you need injections. For lipotropic blends alongside a weight-loss plan, your physician decides from your history. Tests can be arranged locally.

Lipo-C educational content reviewed by our physician

Scott Nass, MD Doctor of Medicine, board-certified in Family Medicine

Charles R. Drew University and David Geffen School of Medicine at UCLA. Family Medicine residency at Ventura County Medical Center.

More options
in this area.

  • Injection

    Vitamin B12

    The classic vitamin B12 (cyanocobalamin) injection to restore low B12 and support energy, focus and red blood cell health. Prescribed and dosed by a licensed physician.

    Starting at $109/mo

    Start treatmentLearn more

  • Injection

    Lipo-B

    A lipotropic blend of methionine, inositol, choline and B12 that supports how the liver processes fat, as part of a weight-loss plan. Prescribed and dosed by a licensed physician.

    Starting at $109/mo

    Start treatmentLearn more

  • Injection

    MIC / B12

    Methionine, inositol and choline (MIC) with vitamin B12 in one weekly injection to support metabolism alongside a weight-loss plan. Prescribed and dosed by a licensed physician.

    Starting at $109/mo

    Start treatmentLearn more

  • Injection

    MICC / B12

    MIC plus L-carnitine (MICC) with vitamin B12, a lipotropic blend for fat metabolism and energy during weight loss. Prescribed and dosed by a licensed physician.

    Starting at $109/mo

    Start treatmentLearn more

References

  1. 1.Clinical practice: vitamin B12 deficiency. N Engl J Med, 2013
  2. 2.Effects of vitamin B12 supplementation on cognitive function, depressive symptoms and fatigue: a systematic review. Nutrients, 2021
  3. 3.Efficacy of different routes of vitamin B12 supplementation for the treatment of deficiency. Ir J Med Sci, 2024
  4. 4.Effects of L-carnitine supplementation on weight loss and body composition: systematic review and meta-analysis of 37 randomized trials. Clin Nutr ESPEN, 2020
  5. 5.Choline bioavailability, liver fat metabolism and the gut microbiota. Nutrients, 2020

Prescription products require an online evaluation with a licensed medical professional who will determine if a prescription is appropriate. Products are compounded by a licensed pharmacy. The FDA has not reviewed or approved compounded products for any use for safety, efficacy, or quality. Compounded medications are not FDA-approved brand-name products.