Science.bio Alternative:
pru vs Science.bio 2026

Science.bio permanently closed on January 27, 2026. Its founders chose to wind the business down rather than wait for enforcement to force the issue, and on the way out they committed to fulfilling every outstanding order or issuing a full refund.

If you bought peptides there, the practical question now is where a prescribed, pharmacy-backed route picks up, and that is what pru is built for. pru is peptides made simple, for everyone: one membership at $50 a month, billed annually, covers the platform and access to licensed clinicians, and the peptides themselves are sold separately and at cost, itemized so you can see what the medicine costs.

Licensed physicians prescribe, FDA-regulated 503A pharmacies fill, and a Certificate of Analysis ships with every peptide, across six categories: weight loss, longevity, muscle, recovery, cognition, and sexual health.

Science.bio permanently closed on January 27, 2026, after years as one of the more respected names in the research-chemical market. It was a marketplace that sold peptides, SARMs, and nootropics labeled "for research use only, not for human consumption." There was no physician to prescribe, no pharmacy to dispense, and no patient relationship of any kind: you bought a vial the way you would buy a lab reagent.

Unlike the vendors that faced enforcement action, its founders read the regulatory environment, chose to close voluntarily, and committed to fulfilling or refunding every outstanding order before shutting down. This comparison exists because a lot of people who once relied on that channel are now looking for a route with a doctor and a pharmacy behind it.

What Science.bio is

Science.bio was a research-chemical marketplace that, at its peak, carried more than 200 products: research peptides such as BPC-157 and TB-500, SARMs like RAD-140 and LGD-4033, nootropics, metabolics, and other compounds. It sold these as materials for laboratory research, and every product page carried the standard framing for that market: for research use only, not for human consumption. There was no intake, no clinician, and no prescription. You added a vial to a cart the way you would order a reagent.

Within that category, Science.bio earned a strong reputation. It was known for batch and lot tracking and for publishing third-party lab reports, using methods like HPLC and NMR, for its products. It held a high Trustpilot rating and was frequently named one of the more trustworthy vendors in the research-compound space. None of that changes the core structure: quality-control documentation is not the same thing as a prescriber deciding a compound is appropriate for you, or a licensed pharmacy dispensing it to you as a patient.

That structure is also what made the whole category fragile. Through 2025 and into 2026, FDA enforcement against research-compound sellers escalated, alongside payment-processing restrictions, litigation, and the proposed SAFE Drugs Act. Science.bio closed voluntarily rather than under enforcement action; its founders read that environment, chose to wind the business down, and announced a permanent closure on January 27, 2026, committing to fulfill or refund every outstanding order.

Other large research-chemical vendors wound down in the same window. If you are reading this, Science.bio is no longer a place you can buy from, which is the practical reason many former customers are evaluating a prescribed, pharmacy-backed option like pru.

What pru is

pru is a telehealth platform focused entirely on peptides, and built to make the peptide category simple and approachable. It works with licensed physicians and FDA-regulated pharmacies across six categories: weight loss and metabolism, cellular health and longevity, muscle and performance, repair and regeneration, cognition, and sexual health.

Peptides should be easy to understand and easier to navigate, and pru is built so you do not have to become an expert to start: a simple intake matches you to a protocol, the medicine is priced at cost, and a clinical team stays with you. pru is one category done deeply.

Accessible, effective, and safe

Everything pru does comes back to three promises. They are the reason a peptide protocol on pru feels less like a gamble and more like real care.

Pricing & transparency

Pricing is where pru stands apart. pru charges $50 a month for unlimited access to the whole platform, billed annually, and sells every peptide at cost. We call this the pru at-cost model: you pay the pharmacy's actual price for the peptide, itemized down to the fill, supplies, shipping, and consult, with no markup on the medicine. The platform is funded by the membership, not by marking up your medication.

On price, the two models are not really comparable, because they are not offering the same thing. Science.bio quoted per-vial retail prices, with figures like roughly $35 for a common SARM, a discount for paying in crypto, and a surcharge for card payments.

A vial was a vial: no consultation, no prescription, no dispensing. pru charges a flat $50 a month, billed annually, for the platform and clinician access, and then offers the peptides themselves separately and at cost, with every line itemized so you can see exactly what the medicine costs and confirm there is no markup on it. You are paying for real oversight, a licensed physician and a 503A pharmacy, plus wholesale-cost medication, rather than buying an untended vial off a catalog.

What each one offers

Science.bio offered breadth and self-service: a large catalog of research compounds, published lab reports, fast checkout, and no gatekeeping, because there was nothing to gate. That was the appeal and the whole risk at once. Nobody assessed whether a compound fit you, nothing was compounded to a prescription, and nothing arrived as a dispensed medication. It was a store for materials, and it is now closed.

pru offers the opposite arrangement inside a deliberately narrow lane. You select the peptide you are interested in, guided by pru's education; a licensed physician confirms clinical fit and prescribes; an FDA-regulated 503A pharmacy compounds and fills it; and a Certificate of Analysis ships with every peptide so you can see it was tested. Compounded peptides are pharmacy-grade, not FDA-approved, and pru makes no cure or efficacy claims.

Access stays open in the ways that matter: no referral gate, no mandatory blood panel, and no concierge pricing, across six categories spanning weight loss, longevity, muscle, recovery, cognition, and sexual health. The trade you make relative to a research-chemical catalog is a smaller menu in exchange for a prescriber, a pharmacy, and a paper trail behind everything you receive.

Why pru is new

pru is new, and that is deliberate. We are peptide specialists, and we built pru for a specific moment. The rules for compounded peptides are being decided right now: the FDA's Pharmacy Compounding Advisory Committee (PCAC) meets at the end of July 2026 to weigh which peptides can be compounded and prescribed through 503A pharmacies. We have spent that runway preparing, meaning vetting pharmacies, building clinical oversight, and readying protocols, so that as legitimate access opens up, pru is ready to offer these therapies the right way.

Science.bio closed permanently on January 27, 2026, and it did so on its own terms: a voluntary, business-driven wind-down rather than a forced closure, with a public commitment to fulfill or refund every open order. Its reputation, by the standards of its category, was strong.

It carried a high Trustpilot rating, the large majority of reviewers rated it excellent, and it was repeatedly cited as one of the most trusted names in the research-compound space, largely on the strength of its published third-party testing and its consistent order handling. pru, by contrast, is new, built for the July 2026 PCAC moment, so its public review base is still small and it does not claim otherwise.

The split is straightforward: Science.bio earned years of reviews for a model that no longer exists, while pru asks to be judged on a model, prescribed and pharmacy-filled, that is designed to still be here.

Who should choose Science.bio

Realistically, no one can choose Science.bio today, because it permanently closed in January 2026. It made sense historically for a specific person: an actual researcher, or a self-directed buyer who wanted a broad catalog of research compounds, including SARMs and nootropics that pru does not touch, was comfortable with "research use only, not for human consumption" labeling, and did not want a clinician or a pharmacy in the loop.

If that self-service, no-oversight model is what you are looking for, pru is not it. pru is for people who want a physician to prescribe and an FDA-regulated pharmacy to fill.

Who should choose pru

Choose pru if peptides are the point and you want the most accessible, complete way to do them. That means GLP-1s for weight loss or a wider peptide protocol, priced at cost, with the support and oversight to make it work. If peptides are mainly what you are after, pru is the Science.bio alternative built for exactly that.

The bottom line

Science.bio permanently closed on January 27, 2026. It was, by the standards of its market, one of the better research-chemical vendors: a broad catalog, published lab tests, and a strong review history. But it sold vials labeled not for human consumption, with no prescriber and no pharmacy, and that model is now gone. If you relied on it, here is what changed and the safe way forward: pru is built the other way on purpose.

A licensed physician prescribes, an FDA-regulated 503A pharmacy compounds and fills, a Certificate of Analysis ships with every peptide, and the peptide itself is priced at cost with every line shown, with compounded semaglutide about $60 a month when you start a 3-month plan and compounded tirzepatide about $93 a month, alongside the $50 membership billed annually.

The durable route is a prescribed, pharmacy-grade path that does not vanish, and this guide to a Science.bio alternative walks through it. If you want oversight and a medication you can trace, rather than a reagent you buy on your own, that is the alternative pru is built to be, ready whenever you are.

Common questions