If you want a legal, non-intoxicating product, choose CBD. If you want psychoactive effects and live in a state with legal cannabis, choose THC. Always check your state's laws before you buy, because federal and state rules differ.
Federal vs State Legal Framework
Hemp-Derived CBD
The 2018 Farm Bill legalized hemp and hemp-derived CBD with less than 0.3% THC on a dry weight basis. However, the FDA does not recognize CBD as a dietary supplement, and some states still restrict or ban CBD sales. You can buy CBD online in most states, but local laws may require a prescription or prohibit certain products.
THC
THC remains a Schedule I controlled substance under federal law. State legalization creates a patchwork: some states allow medical and recreational use, others allow only medical, and some prohibit all forms. Crossing state lines with THC is illegal, even if both states have legal cannabis. Buy THC only from a licensed dispensary in your state.
What to Look for When Buying
- Lab reports (COA) showing cannabinoid profile and contaminant tests.
- THC concentration: for CBD, ensure less than 0.3% THC; for THC, know the potency.
- Source: domestic hemp or cannabis from a licensed grower.
- State licensing: for THC, buy from a state-licensed dispensary.
- Clear labeling: dosage per serving, batch number, expiration date.
- Third-party testing for pesticides, heavy metals, and residual solvents.
Parameter Bands for Legal Products
For CBD, federal legality requires THC content below 0.3% on a dry weight basis. Typical CBD doses range from 10 mg to 50 mg per serving. For THC, flower potency often ranges from 5% to 30% THC, while edibles often contain 5 mg to 10 mg THC per serving. In legal states, you can find THC products with higher potency, but start low to avoid unwanted effects.
Common Pitfalls
- Assuming all CBD is legal: some states ban CBD or require a prescription.
- Buying THC online from unlicensed vendors: risk of legal trouble and unsafe products.
- Mislabeled products: full-spectrum CBD may contain trace THC that can cause a failed drug test.
- Traveling with products: TSA allows CBD with less than 0.3% THC, but state laws vary. Never fly with THC.
- Ignoring local bans: some cities and counties prohibit cannabis sales even in legal states.
FAQ
Is CBD legal in all 50 states?
No. Federal law allows hemp-derived CBD, but some states restrict or ban it. Check your state's health department website.
Can I buy THC online?
Only from a licensed in-state dispensary in a legal state. Interstate shipping of THC is illegal under federal law.
Will CBD make me fail a drug test?
Full-spectrum CBD may contain trace THC. If you are tested, choose CBD isolate or broad-spectrum and check the COA for THC content.
What is the difference between hemp and marijuana?
By law, hemp has less than 0.3% THC on a dry weight basis; marijuana has more. Both are cannabis plants.
For most buyers, CBD offers a lower legal risk and no high. If you want THC, purchase from a licensed dispensary in your state and follow local possession limits.