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Metabolic support

In stockMetformin tabletsLow-dose naltrexone capsules
PrescriptionMetformin
From$59/mo*
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* Oral, in 3, 6 or 12 month plans. Prices may vary.

Filled by US pharmaciesFSA and HSA eligiblePay over time withKlarnaAfterpayAffirm
  • Same-day doctor visits and prescriptions
  • Free expedited shipping, all 50 states
  • 24/7 personalized care
  • Prescribed after a physician review

A medication that lowers the glucose your liver makes and helps your body respond to insulin.

It is not a stimulant, and your prescriber sets the dose for you.

Metformin
  • A tablet, once or twice a day, with food
  • Two strengths, each with its own price
Low-dose naltrexone
  • One capsule a day, usually at bedtime
  • Not for anyone taking opioid medication

Both are prescribed only after a physician review. Your prescriber decides whether either fits your plan.

  • A 24/7 care team, day or night
  • A personal action plan to your goal
  • Physician visits and follow-ups
  • Dose adjusted as you progress
  • Help with side effects
  • Medication from a US pharmacy
  1. Online visitA few questions, no charge
  2. Physician reviewA licensed US physician
  3. ApprovalCharged only if approved
  4. PharmacyPrepared in the US
  5. DeliveryExpedited shipping included
  6. Ongoing careCheck-ins and dose changes

Cancel anytime, online in your account. No call, no form, no fee.

Canceling does not stop an order already sent to the pharmacy. If one is on its way, write to [email protected] and we will help.

Explore weight-loss treatments

Compounded GLP-1 medications, prescribed and monitored by licensed clinicians.

Personalized medicine,
in three simple steps

Submit your application
and meet with a doctor
Step1

Complete a quick form and meet a licensed provider 100% online. They'll see if a treatment plan is right for you.

Submit your application
Get your medication
delivered at home
Step2

Once approved, your prescription ships directly to your door, fast and free.

Medication delivered at home
Receive 24/7 support
and ongoing care
Step3

Regular check-ins and on-demand medical support to keep you on track.

24/7 support and ongoing care

More than a prescription

Most online programs ship a box. Sipra stays with you.

Sipra compared with a typical online program
sipraTypical online programs
No membership feeNo feeOften a monthly fee
The Sipra PromisePay only if a physician approves.$0 todayOften charged at checkout
Leave anytimeCancel online. No call, no form.AnytimeSteps may vary
One price, shipping includedVisits and support too.IncludedFees may vary
US-licensed pharmaciesURAC, ACHC and LegitScript accreditedAccreditedMay vary
Tested before it shipsPotency, plus sterility for injectionsYesTesting may vary
Dosing set by your physicianIncludedFollow-up may be limited
Side effect supportIncludedMay vary
Care team messaging, day or nightAnytimeHours may be limited
Start my visit

Nothing is charged until a physician approvesFSA and HSA eligible

How metformin and LDN work

A silver anatomical figure with the brain, liver, pancreas, and gut highlighted.

Works in the brain, at a low dose.

Brain

Naltrexone acts on the brain's opioid receptors; at a low dose a prescriber may use it off label alongside a weight plan.

Usually taken at bedtime.

Sleep

LDN is one capsule a day, usually at night. Vivid dreams or mild sleep changes can happen early and usually fade.

Lowers the sugar your liver makes.

Liver

Metformin's main action. It is FDA approved for type 2 diabetes.

Helps insulin work better.

Insulin

Metformin helps your body respond to insulin, so blood sugar is easier to keep steady.

Taken with food.

Stomach

A metformin tablet once or twice a day, with a meal, at the strength your prescriber sets.

Settles in over weeks.

Gut

Stomach upset is common early on metformin and usually eases; your prescriber reviews the dose with you.

Metformin is FDA approved for type 2 diabetes and naltrexone for alcohol and opioid dependence. Their use for weight is off label. Individual results vary.

The pharmacy behind your treatment

Licensed 503A pharmacy

Your treatment ships to all 50 states

Compounded in the USA

Made for you, never mass-produced

Tested before it ships

Sterility, endotoxin, and potency, under USP 795 and 797

Independently accredited

URAC, ACHC, and LegitScript

From your visit to your door

Exactly what happens after your visit, who handles it, and when you pay. Nothing is charged until a physician approves.

Start my visit
  1. 01Online visit

    A few questions, no charge

  2. 02Physician review

    A licensed US physician

  3. 03Approval

    Charged only if approved

  4. 04Pharmacy

    Prepared in the US

  5. 05Delivery

    Expedited shipping included

  6. 06Ongoing care

    Check-ins and dose changes

Dr. Jillian Foglesong Stabile, Sipra Medical Reviewer
Sipra Medical Reviewer

“The science on GLP-1 medications is genuinely strong, but the medicine is only part of it. What matters is whether you have a real plan and a physician who stays with you through the dose changes and the plateaus, because that is where lasting results actually come from.”

Dr. Jillian Foglesong StabileMD, FAAFP, DABOM

Board-certified family physician and Diplomate of the American Board of Obesity Medicine.

American Board of Family Medicine
American Board of Obesity Medicine
Wake Forest University School of Medicine

Metformin and LDN questions, answered

Metformin is a daily tablet that lowers the glucose your liver makes and helps your body respond to insulin. It is FDA approved for type 2 diabetes. A prescriber may add it to a weight plan off label for metabolic support, including for people who are not candidates for a GLP-1. Individual results vary.

It is naltrexone compounded at a small fraction of the FDA-approved dose, taken as one capsule a day, usually at bedtime. Naltrexone is FDA approved for alcohol and opioid dependence; at a low dose a prescriber may use it off label alongside a weight plan. It is not for anyone taking opioid medication.

Your physician decides. They review your full history, including every medication you take, and add either one only if it fits your plan.

Stomach upset is common in the first weeks on metformin and usually settles. Low-dose naltrexone can cause vivid dreams or mild sleep changes early on, which usually fade. Your care team is reachable when anything comes up, and your prescriber can adjust the dose.

A licensed physician reviews your full history, including your other medications and conditions, before prescribing. Neither is right for everyone, and naltrexone is not for anyone taking opioids. The compounded version of naltrexone is prepared by a licensed US pharmacy to your prescription and is not FDA-approved.

You see every plan length, its monthly price, and its total before you start, with no hidden fees. Nothing is charged at checkout: your plan total is charged once, only if a physician approves your treatment, and it includes physician follow-up, ongoing support, and expedited shipping. The two metformin strengths are priced separately.

A licensed physician prescribes and follows up, and your care team answers questions and adjusts your plan as your body responds, included, not an add-on. Sipra stays with you from your first dose through every refill.

Lose weight with a plan made just for you

  • Same-day doctor visits and prescriptions
  • Semaglutide, tirzepatide & other GLP-1s
  • FSA & HSA eligible with all plans
A smiling woman with wavy dark hair in a cream top
From$149/mo

From price shown is the 12-month plan rate. Prices may vary.