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"Gas Station Heroin" — The substances hiding in plain sight

Walk into almost any gas station, smoke shop, or convenience store in America and you'll find colorful shots, gummies, and capsules marketed as natural relaxants, mood boosters, or botanical supplements. Several of these products contain powerfully addictive — and in some cases deadly — substances, sold legally to anyone who walks through the door. This is not a fringe problem. It is a national public health crisis that most people have never heard of.

⚠ The four substances driving this crisis

  • 7-OH (7-hydroxymitragynine) / Kratom Extracts — concentrated opioid sold as a "botanical supplement"
  • Tianeptine — also sold as ZaZa, TD Red, Neptune's Fix — an opioid-acting antidepressant banned in the U.S. but sold as a supplement
  • Xylazine (Tranq) — a veterinary sedative now contaminating the street fentanyl supply — not reversed by Narcan
  • ZaZa (multiple products) — a brand name used for tianeptine and kratom products, particularly in the Southeast

🔴 7-OH and Kratom Extracts — "MIT45," "OPMS Gold," "K-Chill"

7-hydroxymitragynine (7-OH) is a compound derived from kratom, a plant native to Southeast Asia. While traditional kratom leaf has been used for generations at low doses, manufacturers now extract and hyper-concentrate 7-OH into shots, gummies, and capsules that are many times more potent than anything found in nature. The result is a cheap, widely available, legally sold opioid that circumvents every safeguard around prescription pain medications.

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Where it's sold

Gas stations, smoke shops, vape stores, convenience stores, and online. Often displayed near the register. Common brand names: MIT45, OPMS Gold/Black, Club 13, K-Chill, Bali Gold, Happy Hippo.

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Who it's marketed to

People with chronic pain seeking a "natural" alternative to opioids. People trying to manage opioid withdrawal on their own. Workers seeking energy boosts. Athletes. Anyone with anxiety looking for relief. The marketing deliberately targets vulnerable people.

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What it looks like

2-oz liquid shots resembling energy drinks, gummies, capsules, powders. Packaging uses leaves, mountains, and wellness imagery. 7-OH content is rarely clearly labeled. Can be purchased by anyone of any age at most locations.

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Effects & side effects

At low doses: mild stimulation, mood lift, pain relief. At higher doses: sedation, euphoria identical to opioids. Side effects: nausea, constipation, dizziness, liver stress. With regular use: tolerance builds rapidly, dependence develops within days to weeks.

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How big is this market?

The kratom/7-OH industry is estimated at $1.3–2 billion annually in the U.S. Sold in approximately 44 states. Highest prevalence in the South, Midwest, and rural areas where opioid use rates are already elevated. States that have banned kratom: Alabama, Arkansas, Indiana, Rhode Island, Vermont, Wisconsin.

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Getting help

7-OH withdrawal is medically significant. Buprenorphine (Suboxone) — the same medication used for opioid use disorder — is effective. Do not stop abruptly. Tell your doctor exactly what you've been taking and how much.

Signs of 7-OH dependence Using every day to feel normal · Needing more to get the same effect · Sweating, muscle aches, vomiting, anxiety when you skip a dose · These are opioid withdrawal symptoms. Call SAMHSA: 1-800-662-4357

🟡 Tianeptine — ZaZa, TD Red, Neptune's Fix, Tianna

Tianeptine is a pharmaceutical antidepressant approved in some European and Asian countries — but never approved by the FDA in the United States. That hasn't stopped manufacturers from marketing it as a "dietary supplement" at gas stations, smoke shops, and online. It is one of the most misunderstood and dangerous substances in the gas station drug category.

At prescribed therapeutic doses, tianeptine acts on serotonin. At the high doses people are typically taking for recreational or self-medication purposes, it acts powerfully on opioid receptors — producing euphoria and sedation nearly indistinguishable from opioid drugs. Dependence can develop within weeks. The withdrawal is severe.

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Brand names to know

ZaZa Red, ZaZa Silver, TD Red, Neptune's Fix, Tianna, Stablon (pharmaceutical name). Often sold as a "dietary supplement" or "nootropic." Packaging looks legitimate and wellness-oriented.

Why it's dangerous

Opioid-level dependence develops quickly. High doses cause intense euphoria followed by deep sedation. Overdose risk increases sharply with higher doses. When mixed with alcohol or other CNS depressants, it can stop breathing.

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Withdrawal

Among the most severe of any substance: extreme anxiety, vomiting, muscle cramps, cold sweats, suicidal ideation. Withdrawal begins within hours of last dose and can last weeks. Medical supervision is strongly recommended.

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Legal status

Banned in Alabama, Georgia, Michigan, Mississippi, Ohio, Tennessee, and Indiana. The FDA has issued warnings. Still legal and widely sold in many states. Actively being reviewed for federal scheduling.

If you are using tianeptine / ZaZa daily Do not stop without medical support. Tianeptine withdrawal can be life-threatening. Go to an urgent care or emergency room and tell them exactly what you're taking. Opioid withdrawal protocols apply.

🔴 Xylazine — "Tranq," "Tranq Dope," the Narcan-Resistant Crisis

Xylazine is a veterinary sedative used to anesthetize large animals like horses and cattle. It has no approved medical use in humans. It is not a scheduled controlled substance. And it is now found in the illicit fentanyl supply across most of the United States — mixed in by drug traffickers to extend the duration of the high and increase the weight of the product.

⚠ Critical: Narcan does NOT reverse xylazine

  • Xylazine is not an opioid — naloxone (Narcan) has no effect on it
  • When xylazine is mixed with fentanyl, Narcan may reverse the opioid component — but the person may remain unresponsive from xylazine
  • If you give Narcan and the person doesn't respond, call 911 immediately — do not assume the overdose is reversed
  • Xylazine causes severe skin wounds — necrotic lesions that can require amputation — even at injection sites far from where someone injected
  • The White House designated xylazine an "emerging threat" in 2023
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Where it's showing up

Initially concentrated in Philadelphia and the Northeast, xylazine/fentanyl ("tranq dope") is now detected in the drug supply in nearly every U.S. state. People are often unaware they are using it — it is mixed into street drugs without the user's knowledge.

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What it does

Deepens and extends sedation beyond what fentanyl produces alone. Causes a longer, harder-to-reverse overdose. Produces distinctive skin wounds — open sores and necrotic lesions — even in non-injection areas, due to its effect on blood vessels.

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The wound crisis

"Tranq wounds" — severe, often infected skin ulcers — are appearing on people who use street drugs regardless of how they use them. These wounds can become infected, spread to bone, and in severe cases require amputation. Wound care is now a major part of xylazine harm reduction.

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If someone overdoses on tranq dope

Administer Narcan — it will address the opioid component. But continue rescue breathing. Call 911 regardless of whether they respond to Narcan. Xylazine sedation requires emergency medical support that naloxone cannot provide.


The storm coming

The U.S. is only beginning to see the full consequences of gas station drugs. These substances are sold legally, packaged to look harmless, marketed aggressively to people in pain, and purchased by people who don't know they're using an opioid-equivalent. Many first-time users have no prior history with controlled substances.

States are starting to act — tianeptine has been banned in several states, kratom legislation is moving — but federal regulation has been slow, and the industry is large, profitable, and litigious. Public awareness is the most powerful tool available right now.

If you or someone you know regularly uses any product from a gas station or smoke shop that is supposed to make you feel calm, euphoric, or pain-free — please read the information above and talk to a doctor. You may be more dependent than you know.

Get help now SAMHSA National Helpline: 1-800-662-4357 — free, confidential, 24/7. They can connect you with a provider who understands these substances and what treatment looks like.