Full-spectrum CBD contains CBD plus the hemp plant’s other cannabinoids, terpenes, and a trace of THC. Broad-spectrum CBD keeps most of those plant compounds but has the THC removed, although small amounts can remain. CBD isolate is CBD alone, with no other cannabinoids and no THC, according to this medically reviewed comparison of CBD types. Choose full-spectrum CBD if THC is not a concern, broad-spectrum CBD if you want plant compounds with minimal THC, and CBD isolate if you need the lowest THC exposure, such as when you are drug tested.
Growing in Health Florida, an education-focused CBD store at 7211 Vanderbilt Beach Rd #3, Naples, FL 34119, offers third-party lab-tested hemp products and one-on-one product guidance. This guide shows you how to choose by the certificate of analysis (COA), not just the label.
TL;DR
The three types differ in how much of the hemp plant remains in the product besides CBD.
| Full Spectrum | Broad Spectrum | CBD Isolate | |
| THC | Up to 0.3% by dry weight | Removed; small amounts can remain | None |
| Other cannabinoids (CBG, CBN, CBC) | Yes | Yes, in true broad-spectrum products | No |
| Terpenes | Yes | Yes | No |
| Drug-test risk | Highest | Lower | Lowest |
| How to check the COA | Total THC at or below 0.3%, and at or below 0.4 mg per container from Dec. 11, 2026 | THC “ND” + minor cannabinoids detected | CBD present; other cannabinoids tested and not detected |
| Best for | Buyers who want the whole-plant profile and are not drug tested | Buyers who want plant compounds with minimal THC | Drug-tested or THC-sensitive buyers |
Full-spectrum CBD is a hemp extract that keeps the plant’s full range of cannabinoids, terpenes, and a small amount of THC. The exact cannabinoid and terpene profile varies by product and batch. Federal law defines hemp as cannabis with no more than 0.3% delta-9 THC on a dry-weight basis. Because the limit is a percentage, heavier products can contain more THC: at 0.3%, a 4-gram gummy could contain up to 12 mg of THC. This is a weight-based example only, not a serving size and not proof that a product is legal.
The main argument for full spectrum is the “entourage effect,” the idea that plant compounds work better together. A widely cited review in the British Journal of Pharmacology outlines this theory, but most of its evidence comes from animal and laboratory studies, and the author notes a lack of randomized controlled trials in humans. Read more in our entourage effect guide.
Broad-spectrum CBD keeps most of the hemp plant’s compounds but has the THC removed. Some broad-spectrum products still contain small amounts of THC.
No Florida law defines “broad spectrum.” Florida’s hemp statute sets testing and labeling rules but never uses the term.
Check the minor cannabinoid panel on the product’s lab report. Measurable CBG, CBN, or CBC alongside CBD supports a broad-spectrum classification, although it does not prove how the product was made. If the report tested for minor cannabinoids and all of them read “ND,” with only CBD and terpenes present, the product’s cannabinoid profile matches isolate with added terpenes, regardless of what the label calls it.
CBD isolate is CBD on its own, with no other cannabinoids and no THC. It provides the lowest THC exposure of the three types, which makes it a common choice for drug-tested workers. A finished isolate product still needs batch testing to confirm its purity.
CBD itself is not what a drug test looks for. Standard urine screens detect carboxy-THC, a metabolite the body produces from THC, so the risk comes from whatever THC the product contains.
In a 2020 JAMA Psychiatry study, 14 participants used a full-spectrum CBD oil containing 0.23 mg of THC per mL for four weeks. They consumed an average of about 0.8 mg of THC per day, and 7 of the 14 tested positive for a THC metabolite. No product, including one with an “ND” THC result, guarantees a negative drug test. For questions about timing, see how long CBD stays in your system.
“THC-free” is a label claim, not a guarantee. A batch COA can support the claim when the lab does not detect THC.
Two results on a COA look similar but mean different things, according to the Missouri Department of Agriculture’s COA guide:
“ND” (not detected): THC was below the lab’s limit of detection (LOD).
“<LOQ” (below the limit of quantitation): THC was below the limit of quantitation (LOQ), the lowest amount the lab can reliably measure and report.
A “<LOQ” result does not confirm that THC is absent. When a report uses both terms, “ND” is generally the stronger result, although lab reporting conventions vary. Even an “ND” result has an upper limit set by the LOD. For example, if a lab’s LOD for THC were 0.01% and that limit applied to the whole product weight, a 28-gram product could read “ND” and still contain up to 2.8 mg of THC.
Choose isolated gummies if you are drug tested, and choose broad-spectrum gummies if you want other plant compounds with minimal THC.
Florida restricts the sale of ingestible and inhalable hemp extract products, including gummies, to people 21 years of age or older. For more, see our CBD gummies buying guide.
A certificate of analysis (COA) is the independent lab report for a single product batch. Labels can be inaccurate: a 2022 JAMA Network Open study examined 105 hemp-derived topical products. Among the 89 products that listed their CBD content, only 24% stated the CBD amount accurately. Researchers also detected THC in 37 of the 105 products tested.
Read any COA in five steps:
Scan the QR code. Florida requires the container to include a scannable barcode or QR code linked to the COA.
Match the batch number. A COA applies only to the batch it tested, so a report for a different batch tells you nothing about the product in your hand. Florida also requires the container to show the batch number, a website address for batch information, the expiration date, and the milligrams of each marketed cannabinoid per serving.
Read the Total THC line. Total THC = delta-9 THC + (THCA x 0.877), the federal formula for total delta-9 THC. A product can show low delta-9 THC and still contain THCA. This formula does not cover every THC-related compound counted under the new federal rule.
Check the minor cannabinoids and the LOD. Confirm which cannabinoids were tested, which were detected, and how strong the “ND” result is.
Check the contaminant results. Florida requires the COA to state that the batch does not contain contaminants unsafe for human consumption, such as microbes, pesticides, residual solvents, and metals above state limits.
For label basics, see our guide to reading a CBD label. For individual cannabinoids, see CBD vs CBN.
Starting December 11, 2026, unless Congress changes the law again, final hemp products are capped at 0.4 mg per container of combined total THC and other cannabinoids with similar effects, and products above the cap fall outside the federal hemp definition. The amended definition also counts THCA toward total THC. A continuing resolution signed on September 2, 2026, moved the date from November 12, 2026, but restrictions on cannabinoids that cannot be naturally produced by the cannabis plant still begin on November 12.
Consider a 30-count bottle of full-spectrum gummies containing 1 mg of THC each: the bottle holds 30 mg of THC, or 75 times the new limit. That is why the change affects most full-spectrum CBD products.
Base your choice on drug testing and THC tolerance:
CBD products can differ in quality, ingredients, and THC content. CBD can also interact with certain medications, so speak with a healthcare professional before using it, especially if you take prescription drugs. A lab report helps you check product contents, but it does not guarantee safety, effectiveness, or legal compliance.
To learn more in person, join one of our on-site CBD education classes.
The difference between full-spectrum, broad-spectrum, and CBD isolate comes down to how much THC and which other plant compounds remain in the product. Match your choice to your own THC tolerance and drug-testing situation, then confirm it with the batch COA rather than the label alone, since “THC-free” and “broad spectrum” are both claims a lab report can support or contradict.
At, Growing in Health Florida carries all three types with third-party lab testing, and our Naples team can walk you through any product’s COA before you buy.
Visit our Naples CBD store or contact page to explore our selection and review product lab reports before buying.
We serve customers across Naples, Vineyards, Pelican Bay, Island Walk, Estero, and Bonita Springs.
Not always. Some broad-spectrum products contain small amounts of THC. Look for a THC result of “ND” on the batch COA, because “<LOQ” does not confirm that THC is absent. Checking the minor cannabinoid panel alongside the THC result also helps confirm a true broad-spectrum profile.
CBD isolate carries the lowest drug-test risk of the three types, but no CBD product can guarantee a negative result. Before buying, match the batch number on the package to a COA that shows THC as “ND.” This step matters most for drug-tested workers avoiding any trace of THC.
Choose isolate gummies if you are drug tested, and broad-spectrum gummies if you want CBG, CBN, or CBC with minimal THC. Before buying either type, confirm the batch COA shows THC as “ND” and that the minor cannabinoid panel matches what the label claims.
Only if the entire container holds 0.4 mg or less of combined total THC and similar cannabinoids, with THCA counted toward the total. December 11 is the scheduled date unless Congress changes the law again. Most current full-spectrum products exceed this new limit, so check the COA.
Growing in Health Florida, located at 7211 Vanderbilt Beach Rd #3, Naples, FL 34119, carries third-party lab-tested hemp-derived CBD products. Call or text (239) 331-4807, or visit Monday through Saturday from 10 a.m. to 8 p.m. or Sunday from noon to 5 p.m.
