CBD Dosage for Dogs by Weight: Complete Calculator & Guide
Veterinarian-formulated dosing protocols based on Colorado State University clinical trials. Updated for 2026.
Most dogs start at 1 mg of CBD per kilogram of body weight, given twice daily. For a 50 lb dog, that equals roughly 23 mg per dose. Adjust upward based on condition: 2 mg/kg for pain and arthritis, 2.5 mg/kg for seizures. Always give CBD with food, approximately 12 hours apart.
Getting the right CBD dose for your dog is the single most important factor in whether CBD works or doesn’t. Underdose and you’ll see no results. Overdose and you’re wasting money—and possibly causing unnecessary drowsiness. The sweet spot depends on your dog’s weight, the condition you’re addressing, and the concentration of the product you’re using.
This guide puts all of that information in one place. Every dosing recommendation below is grounded in the protocols used in Colorado State University’s three clinical trials on cannabidiol in dogs, and in the veterinary pharmacokinetic data that has emerged over the past several years. Whether your dog weighs 10 pounds or 120, whether you’re managing occasional anxiety or daily arthritis pain, you’ll find the exact milligram dose, the number of drops, and the right ABSC product to use.
Why Correct CBD Dosing Matters
CBD has a dose-response relationship in dogs—meaning the effects change depending on how much you give. This is not a “more is always better” situation, and it’s not a “just give a few drops” situation either. Precision matters, and here’s why.
The Problem with Underdosing
The most common reason pet owners report that “CBD didn’t work for my dog” is simple: the dose was too low. Many mass-market CBD products recommend doses far below what clinical research has shown to be effective. A dog with osteoarthritis needs approximately 2 mg of CBD per kilogram of body weight, twice daily, to achieve the pain-relief outcomes documented in university studies. Giving that same dog a generic “one dropper per day” from a low-concentration product might deliver one-quarter of the therapeutic dose—not enough to produce meaningful results.
The Problem with Overdosing
While CBD has a wide safety margin in dogs (the CSU trials reported no serious adverse effects even at higher doses), giving more than necessary creates two problems:
- Wasted product and money. If your dog responds well at 2 mg/kg, dosing at 4 mg/kg doubles your monthly cost without doubling the benefit.
- Unnecessary side effects. At excessive doses, dogs may experience increased drowsiness, mild diarrhea, or temporary changes in appetite. These effects are not dangerous, but they are avoidable.
Why Weight-Based Dosing Is Essential
A 10 lb Chihuahua and a 90 lb Labrador need vastly different amounts of CBD. A dose that is therapeutic for the Lab could be four or five times what the Chihuahua needs. Weight-based dosing—calculated in milligrams of CBD per kilogram of body weight—normalizes the dose so every dog receives the appropriate amount relative to its body size. This is the same approach used in veterinary medicine for virtually every drug, and it’s the approach used in every published CBD clinical trial.
Colorado State University conducted three separate clinical trials evaluating CBD in dogs: one for osteoarthritis pain, one for epileptic seizures, and one for behavioral outcomes. All three used weight-based dosing protocols and administered CBD twice daily with food. ABSC Organics products were formulated in alignment with these research protocols.
How CBD Dosage Is Calculated
Every dose recommendation in this guide follows a three-step formula:
Step 1: Convert Your Dog’s Weight to Kilograms
Divide the weight in pounds by 2.2.
- 20 lbs ÷ 2.2 = 9.1 kg
- 50 lbs ÷ 2.2 = 22.7 kg
- 80 lbs ÷ 2.2 = 36.4 kg
Step 2: Multiply by the Target Dose (mg/kg)
The target dose depends on what you’re treating:
- General wellness: 0.5–1 mg/kg
- Anxiety: 1–2 mg/kg
- Pain / arthritis: 2 mg/kg
- Seizures: 2.5 mg/kg
Example: A 50 lb dog (22.7 kg) at 2 mg/kg = 45.4 mg per dose.
Step 3: Convert Milligrams to Drops or Milliliters
Divide the milligram dose by the concentration of your ABSC product:
| ABSC Product | Total CBD | Bottle Size | Concentration | CBD per Drop* |
|---|---|---|---|---|
| 300 mg | 300 mg | 30 mL | 10 mg/mL | ~0.33 mg |
| 600 mg | 600 mg | 30 mL | 20 mg/mL | ~0.67 mg |
| 1200 mg | 1,200 mg | 30 mL | 40 mg/mL | ~1.33 mg |
| 2400 mg | 2,400 mg | 30 mL | 80 mg/mL | ~2.67 mg |
*Based on approximately 30 drops per mL from the included glass dropper. Individual drop sizes may vary slightly.
Continuing our example: 45.4 mg ÷ 40 mg/mL (1200 mg product) = 1.13 mL per dose, or roughly 34 drops. Given twice daily, one 30 mL bottle would last about 13 days at this dose.
Dose (mg) = Dog’s weight in kg × target mg/kg
Volume (mL) = Dose in mg ÷ product concentration (mg/mL)
Frequency: Twice daily, approximately 12 hours apart, with food
Master Dosing Table by Weight & Condition
The table below provides calculated doses for common dog weight ranges across four conditions. The “Starting Dose” column shows the conservative entry point for titration; the “Therapeutic Dose” column reflects the target dose supported by clinical evidence. The drop counts are for the recommended product strength at the therapeutic dose level.
General Wellness & Daily Supplement (0.5–1 mg/kg twice daily)
| Weight (lbs) | Weight (kg) | Starting Dose | Maintenance Dose | Drops (300 mg) | Drops (600 mg) | Best Product |
|---|---|---|---|---|---|---|
| 5–10 | 2.3–4.5 | 1–2 mg | 2.5–4.5 mg | 8–14 | 4–7 | 300 mg |
| 10–25 | 4.5–11.4 | 2.5–6 mg | 4.5–11 mg | 14–34 | 7–17 | 300 mg |
| 25–50 | 11.4–22.7 | 6–11 mg | 11–23 mg | — | 17–34 | 600 mg |
| 50–75 | 22.7–34.1 | 11–17 mg | 23–34 mg | — | 34–51 | 600 mg |
| 75–100 | 34.1–45.5 | 17–23 mg | 34–45 mg | — | — | 1200 mg |
| 100+ | 45.5+ | 23+ mg | 45+ mg | — | — | 1200 mg |
Anxiety & Stress (1–2 mg/kg twice daily)
| Weight (lbs) | Weight (kg) | Starting Dose | Therapeutic Dose | Drops (300 mg) | Drops (600 mg) | Drops (1200 mg) | Best Product |
|---|---|---|---|---|---|---|---|
| 5–10 | 2.3–4.5 | 2.5–4.5 mg | 4.5–9 mg | 14–27 | 7–14 | — | 300 mg |
| 10–25 | 4.5–11.4 | 4.5–11 mg | 9–23 mg | 27–69 | 14–34 | — | 600 mg |
| 25–50 | 11.4–22.7 | 11–23 mg | 23–45 mg | — | 34–68 | 17–34 | 600 mg |
| 50–75 | 22.7–34.1 | 23–34 mg | 45–68 mg | — | — | 34–51 | 1200 mg |
| 75–100 | 34.1–45.5 | 34–45 mg | 68–91 mg | — | — | 51–68 | 1200 mg |
| 100+ | 45.5+ | 45+ mg | 91+ mg | — | — | 68+ | 2400 mg |
Pain & Arthritis (2 mg/kg twice daily — CSU Protocol)
| Weight (lbs) | Weight (kg) | Starting Dose | Therapeutic Dose | mL per Dose | Drops (1200 mg) | Drops (2400 mg) | Best Product |
|---|---|---|---|---|---|---|---|
| 5–10 | 2.3–4.5 | 2.5–4.5 mg | 4.5–9 mg | 0.45–0.9 mL* | 3–7 | — | 300 mg |
| 10–25 | 4.5–11.4 | 4.5–11 mg | 9–23 mg | 0.45–1.1 mL | 7–17 | — | 600 mg |
| 25–50 | 11.4–22.7 | 11–23 mg | 23–45 mg | 0.6–1.1 mL | 17–34 | 9–17 | 1200 mg |
| 50–75 | 22.7–34.1 | 23–34 mg | 45–68 mg | 1.1–1.7 mL | 34–51 | 17–26 | 1200 mg |
| 75–100 | 34.1–45.5 | 34–45 mg | 68–91 mg | 1.7–2.3 mL | 51–68 | 26–34 | 2400 mg |
| 100–120 | 45.5–54.5 | 45–55 mg | 91–109 mg | 1.1–1.4 mL** | — | 34–41 | 2400 mg |
| 120+ | 54.5+ | 55+ mg | 109+ mg | 1.4+ mL** | — | 41+ | 2400 mg |
*mL shown for 300 mg product for toy breeds. **mL shown for 2400 mg product for giant breeds.
Seizures & Epilepsy (2.5 mg/kg twice daily — CSU Protocol)
| Weight (lbs) | Weight (kg) | Starting Dose | Therapeutic Dose | mL per Dose (1200 mg) | mL per Dose (2400 mg) | Best Product |
|---|---|---|---|---|---|---|
| 5–10 | 2.3–4.5 | 2.5–4.5 mg | 5.7–11.4 mg | 0.14–0.28 mL | — | 300 mg |
| 10–25 | 4.5–11.4 | 4.5–11 mg | 11.4–28.4 mg | 0.28–0.71 mL | — | 600 mg |
| 25–50 | 11.4–22.7 | 11–23 mg | 28.4–56.8 mg | 0.71–1.42 mL | 0.36–0.71 mL | 1200 mg |
| 50–75 | 22.7–34.1 | 23–34 mg | 56.8–85.2 mg | 1.42–2.13 mL | 0.71–1.07 mL | 2400 mg |
| 75–100 | 34.1–45.5 | 34–45 mg | 85.2–113.6 mg | 2.13–2.84 mL | 1.07–1.42 mL | 2400 mg |
| 100+ | 45.5+ | 45+ mg | 113.6+ mg | — | 1.42+ mL | 2400 mg |
If your dog has epilepsy or is on anticonvulsant medications, do not adjust CBD dosing without consulting your veterinarian. CBD can interact with common seizure medications, including phenobarbital and potassium bromide, potentially affecting drug metabolism and blood levels. Your vet may need to monitor liver enzymes and adjust medication doses. See our complete CBD for dog seizures guide.
Dosing Protocols by Condition
General Wellness: 0.5–1 mg/kg Twice Daily
For dogs without a specific diagnosed condition, a lower dose of CBD can support overall wellness, help maintain calm behavior, and promote joint comfort as part of a daily supplement routine. This is the appropriate starting range for dogs who are generally healthy but could benefit from the anti-inflammatory and anxiolytic properties of cannabidiol at a subclinical level.
- Starting dose: 0.5 mg/kg twice daily for the first week
- Maintenance dose: 1 mg/kg twice daily
- Timing: With morning and evening meals
- Duration: Ongoing daily supplementation
Anxiety & Stress: 1–2 mg/kg Twice Daily
Anxiety in dogs—whether separation anxiety, noise phobias (thunderstorms, fireworks), or generalized anxiety—responds to CBD through its interaction with serotonin receptors and the endocannabinoid system. The dose range is wider here because anxiety severity varies significantly between individual dogs.
- Starting dose: 1 mg/kg twice daily
- Target therapeutic dose: 2 mg/kg twice daily for moderate-to-severe anxiety
- Situational use: For predictable events (fireworks, travel), give a dose 30–60 minutes before the triggering event. A second dose can be given at the normal interval if needed.
- Evaluation period: Allow 2–3 weeks of consistent dosing before concluding whether the dose is effective
For a deeper look at anxiety-specific protocols, read our guide on CBD for dog anxiety.
Pain & Arthritis: 2 mg/kg Twice Daily (CSU Protocol)
This is the most extensively studied dose in veterinary CBD research. The Colorado State University osteoarthritis trial used 2 mg/kg of CBD administered orally twice daily, and the results showed statistically significant improvements in pain scores and activity levels as assessed by both veterinarians and owners.
- Starting dose: 1 mg/kg twice daily for the first 5–7 days
- Target therapeutic dose: 2 mg/kg twice daily
- Timing: With meals, 12 hours apart. Consistency is critical for managing chronic pain.
- Evaluation period: 4 weeks of consistent dosing at the target level before full assessment
- Long-term use: CBD for arthritis is typically given indefinitely as a daily management strategy
In the placebo-controlled crossover trial at Colorado State University, dogs receiving 2 mg/kg CBD twice daily showed significant improvement in comfort and activity levels, as measured by validated veterinary pain scales. Dogs received CBD in an oil formulation given with food, matching the delivery method of ABSC Organics products. Read the full clinical research summary.
For more on managing canine arthritis with CBD, see our CBD for dog pain and arthritis guide.
Seizures & Epilepsy: 2.5 mg/kg Twice Daily (CSU Protocol)
The CSU epilepsy trial evaluated CBD at 2.5 mg/kg given orally twice daily as an add-on therapy for dogs with drug-resistant idiopathic epilepsy. Dogs in the CBD group experienced a significant reduction in seizure frequency compared to the placebo group.
- Starting dose: 1 mg/kg twice daily, increasing by 0.5 mg/kg every 5–7 days
- Target therapeutic dose: 2.5 mg/kg twice daily
- Critical note: CBD should be used as an adjunct to existing anticonvulsant therapy, not as a replacement
- Monitoring: Keep a seizure diary. Record frequency, duration, and severity before and after starting CBD.
- Veterinary oversight: Required. CBD can affect the metabolism of phenobarbital and other anticonvulsants. Liver enzyme monitoring is advised.
Our complete CBD for dog seizures guide covers drug interactions, monitoring protocols, and what to expect.
How to Measure CBD Doses Accurately
Accurate dosing is straightforward once you understand the relationship between milligrams, milliliters, and drops for your specific ABSC product.
Using the Graduated Dropper
Every ABSC Organics bottle comes with a glass dropper that has graduated markings at 0.25 mL, 0.5 mL, 0.75 mL, and 1.0 mL. This is your primary dosing tool.
Quick mL-to-mg Conversion by Product
| Volume | 300 mg (10 mg/mL) | 600 mg (20 mg/mL) | 1200 mg (40 mg/mL) | 2400 mg (80 mg/mL) |
|---|---|---|---|---|
| 0.25 mL | 2.5 mg | 5 mg | 10 mg | 20 mg |
| 0.5 mL | 5 mg | 10 mg | 20 mg | 40 mg |
| 0.75 mL | 7.5 mg | 15 mg | 30 mg | 60 mg |
| 1.0 mL | 10 mg | 20 mg | 40 mg | 80 mg |
Counting Drops
If your dose falls between dropper markings, you can count drops for greater precision. A standard glass dropper delivers approximately 30 drops per milliliter, though this can vary slightly based on the oil’s viscosity and the angle at which you dispense.
- 300 mg: ~0.33 mg per drop
- 600 mg: ~0.67 mg per drop
- 1200 mg: ~1.33 mg per drop
- 2400 mg: ~2.67 mg per drop
Administering the Dose
For maximum absorption, dispense the CBD oil directly into your dog’s mouth—ideally along the cheek or under the tongue. If your dog resists this, the oil can be mixed into a small amount of food. Giving CBD with a meal that contains some fat improves bioavailability, which is why the clinical protocols all administered CBD at mealtime.
Always verify your product’s concentration against the lab-tested Certificate of Analysis (COA) available for every ABSC batch.
Titration Protocol: How to Adjust Doses Safely
Titration means starting at a low dose and gradually increasing to the target. This approach minimizes side effects, identifies the minimum effective dose for your individual dog, and gives you time to observe responses at each level.
The ABSC 3-Phase Titration Protocol
Phase 1: Introduction (Days 1–7)
- Begin at approximately half the target dose
- Administer twice daily with meals
- Observe for any changes in appetite, energy level, stool consistency, or behavior
- If your dog shows sensitivity (unusual drowsiness, soft stool), hold at this dose for an additional week before increasing
Phase 2: Escalation (Days 8–14)
- Increase to the full target dose
- Continue twice daily with meals
- Begin tracking improvements in the target condition (mobility, anxiety episodes, seizure frequency)
Phase 3: Optimization (Days 15–28)
- Maintain the target dose for at least two full weeks
- Evaluate results. If the response is good, continue at this dose.
- If the response is partial, you may increase by an additional 0.5 mg/kg. Do not exceed 5 mg/kg without veterinary guidance.
- If your dog is doing well, you can also try reducing the dose slightly to find the minimum effective dose—this saves product and reduces cost.
Target: 2 mg/kg = 54.5 mg per dose (60 lbs ÷ 2.2 = 27.3 kg × 2 mg/kg)
Week 1: 1 mg/kg = ~27 mg per dose (0.68 mL of 1200 mg product)
Week 2: 2 mg/kg = ~55 mg per dose (1.36 mL of 1200 mg product)
Weeks 3–4: Hold and evaluate. A 30 mL bottle of 1200 mg lasts ~11 days at this dose.
Which Product Strength Is Right for Your Dog
Choosing the right concentration isn’t just about convenience—it directly affects your cost per milligram of CBD and the precision of your dosing.
Cost-Per-Milligram Comparison
| Product | Price | Subscription Price (15% off) | Total CBD | Cost per mg | Subscription Cost per mg |
|---|---|---|---|---|---|
| 300 mg | $49.99 | $42.49 | 300 mg | $0.167 | $0.142 |
| 600 mg | $59.99 | $50.99 | 600 mg | $0.100 | $0.085 |
| 1200 mg | $119.99 | $101.99 | 1,200 mg | $0.100 | $0.085 |
| 2400 mg | $199.99 | $169.99 | 2,400 mg | $0.083 | $0.071 |
The 300 mg bottle costs the most per milligram ($0.167/mg) while the 2400 mg bottle offers the best value ($0.083/mg)—nearly half the cost. A subscription saves an additional 15% across all strengths.
Product Selection Guide by Dog Size
Small Dogs (Under 25 lbs) — 300 mg Recommended
Small dogs need small doses, and the 300 mg bottle (10 mg/mL) allows you to measure those doses precisely. For a 15 lb dog on a wellness dose of 1 mg/kg, each dose is roughly 6.8 mg—that’s 0.68 mL, easy to measure on the dropper. A single bottle lasts over three weeks at this dose rate.
Medium Dogs (25–50 lbs) — 600 mg Recommended
The 600 mg bottle (20 mg/mL) hits the sweet spot for medium-sized dogs. The higher concentration means you use fewer drops per dose, but it’s still dilute enough that small adjustments are easy to make. At $0.10/mg, it’s also a significant cost improvement over the 300 mg bottle.
Large Dogs (50–100 lbs) — 1200 mg Recommended
Large dogs on therapeutic doses for pain or arthritis need 45–91 mg per dose. Using the 1200 mg product (40 mg/mL) keeps the volume manageable—around 1–2.3 mL per dose—so you’re not emptying a lower-concentration bottle in a week.
Extra-Large Dogs (100+ lbs) & Multi-Pet Households — 2400 mg Recommended
Giant breeds and households dosing multiple pets will get the best value from the 2400 mg bottle (80 mg/mL). At $0.083/mg retail and $0.071/mg on subscription, this is the most economical option. A 100 lb dog on a 2 mg/kg arthritis dose uses roughly 1.14 mL per dose—the bottle lasts about 13 days.
CBD for chronic conditions like arthritis is a daily commitment. Subscribe & Save locks in a 15% discount on every bottle, ships automatically on your schedule, and ensures you never run out mid-protocol.
Monthly Cost Estimates
To help you budget, here are approximate monthly costs for common scenarios using the recommended product at subscription pricing:
| Dog Size | Condition | Daily CBD (mg) | Best Product | Bottles/Month | Monthly Cost (Sub) |
|---|---|---|---|---|---|
| 20 lbs (9.1 kg) | Wellness (1 mg/kg) | 18.2 mg | 300 mg | ~0.6 | ~$25 |
| 20 lbs (9.1 kg) | Arthritis (2 mg/kg) | 36.4 mg | 600 mg | ~0.6 | ~$31 |
| 50 lbs (22.7 kg) | Anxiety (2 mg/kg) | 90.8 mg | 1200 mg | ~0.76 | ~$77 |
| 50 lbs (22.7 kg) | Arthritis (2 mg/kg) | 90.8 mg | 1200 mg | ~0.76 | ~$77 |
| 80 lbs (36.4 kg) | Arthritis (2 mg/kg) | 145.6 mg | 2400 mg | ~0.6 | ~$102 |
| 80 lbs (36.4 kg) | Seizures (2.5 mg/kg) | 182 mg | 2400 mg | ~0.76 | ~$129 |
CBD Dosing for Cats
Cats can use ABSC Organics CBD oil, but feline dosing is different from canine dosing. Cats are smaller, metabolize cannabinoids differently, and are generally more sensitive to supplements.
Feline Dosing Guidelines
- Starting dose: 0.5 mg/kg once daily
- Maintenance dose: 0.5–1 mg/kg once to twice daily
- Maximum recommended: 2 mg/kg twice daily (only with veterinary guidance)
- Product: Use the 300 mg bottle exclusively. The 10 mg/mL concentration allows precise measurement of the very small doses cats require.
Example: 10 lb Cat (4.5 kg)
- Starting dose: 0.5 mg/kg = 2.25 mg = 0.225 mL (~7 drops of the 300 mg product)
- Maintenance dose: 1 mg/kg = 4.5 mg = 0.45 mL (~14 drops of the 300 mg product)
Give CBD with food. Most cats accept the oil mixed into wet food better than direct oral administration. Titrate slowly—increase no more frequently than every 7 days, and monitor for excessive drowsiness.
There is less published clinical data on CBD in cats compared to dogs. The dosing recommendations above are based on available pharmacokinetic studies and veterinary consensus. Always consult your veterinarian before starting CBD for a cat, especially if the cat is on other medications.
Common CBD Dosing Mistakes to Avoid
After years of helping pet owners dose CBD correctly, these are the errors we see most often:
1. Dosing by Volume Instead of Milligrams
“One dropper” is not a dose—it’s a volume. One full dropper (1 mL) of the 300 mg product delivers 10 mg of CBD. One full dropper of the 2400 mg product delivers 80 mg. If you switch products without recalculating, you could be giving your dog eight times more (or less) CBD than intended. Always dose in milligrams first, then convert to volume.
2. Giving Up Too Soon
CBD for chronic conditions like arthritis takes time. The CSU pain study ran for 4 weeks at the therapeutic dose before outcomes were measured. If you try CBD for three days and decide it “doesn’t work,” you haven’t given it a fair trial. Commit to at least 2–4 weeks of consistent, twice-daily dosing at the appropriate level.
3. Skipping Doses or Dosing Once Daily
CBD’s half-life in dogs means blood levels drop significantly after 8–12 hours. Once-daily dosing creates peaks and valleys. Twice-daily dosing maintains more consistent levels throughout the day, which is especially important for pain management and seizure control.
4. Not Adjusting for Weight Changes
Puppies grow. Overweight dogs (hopefully) lose weight. Senior dogs may gain or lose weight due to changing activity levels or health conditions. Recalculate the dose any time your dog’s weight changes by more than 10%.
5. Using Low-Quality Products and Assuming the Label Is Accurate
Independent lab testing has repeatedly shown that many CBD products on the market contain significantly more or less CBD than claimed on the label. If the product is under-dosed, you’re not getting the milligrams you calculated. Always use a product with a verified Certificate of Analysis from a third-party lab.
6. Ignoring Drug Interactions
CBD is metabolized by the same liver enzymes (cytochrome P450) that process many common veterinary medications. If your dog is on NSAIDs, phenobarbital, corticosteroids, or other medications, CBD can potentially alter how those drugs are metabolized. This doesn’t mean you can’t use CBD, but it does mean your vet needs to be involved in the dosing plan.
7. Choosing the Wrong Product Strength
Using a 300 mg bottle for a 90 lb dog on a pain protocol means you’re going through a bottle every 4–5 days and paying a premium per milligram. Conversely, using the 2400 mg bottle for a 10 lb cat makes precise dosing nearly impossible because the individual drops are too concentrated. Match the product to the pet.
When to Talk to Your Veterinarian About CBD Dosing
While CBD is generally well-tolerated, certain situations warrant professional veterinary input before you start or adjust dosing:
See Your Vet Before Starting CBD If Your Dog:
- Takes prescription medications—especially anticonvulsants (phenobarbital, potassium bromide, zonisamide, levetiracetam), NSAIDs, corticosteroids, or cardiac medications
- Has liver disease or elevated liver enzymes. CBD is metabolized by the liver, and compromised liver function can alter CBD metabolism and increase the risk of drug interactions.
- Is pregnant or nursing. There is insufficient safety data on CBD in pregnant or lactating dogs.
- Has a seizure disorder. CBD should be introduced as add-on therapy under direct veterinary supervision, not as a standalone treatment.
- Is scheduled for surgery. Some veterinarians recommend discontinuing CBD 1–2 weeks before anesthesia due to potential interactions.
Contact Your Vet If, After Starting CBD, You Observe:
- Excessive drowsiness or lethargy that does not improve after 2–3 days
- Persistent gastrointestinal issues (vomiting, diarrhea lasting more than 48 hours)
- Changes in drinking or urination patterns
- Any new or worsening symptoms
- Increased seizure frequency or severity in epileptic dogs
A growing number of veterinarians are knowledgeable about CBD and can help you integrate it into your dog’s overall health plan. Visit the ABSC FAQ page for guidance on how to discuss CBD with your vet.
Frequently Asked Questions
CBD dosage is calculated by body weight. A general starting dose is 1 mg of CBD per kilogram of body weight, given twice daily. For a 30 lb dog (13.6 kg), that equals approximately 13–14 mg per dose. For specific conditions: use 2 mg/kg twice daily for pain and arthritis (the CSU research protocol), and 2.5 mg/kg twice daily for seizures. Always start at half the target dose and titrate up over 1–2 weeks.
While CBD has a wide safety margin in dogs, excessively high doses can cause temporary side effects including drowsiness, mild gastrointestinal upset, or soft stool. The CSU clinical trials used doses up to 2.5 mg/kg twice daily without serious adverse effects. However, dosing significantly above the therapeutic range wastes product and money without additional benefit. If your dog is overly drowsy, reduce the dose.
Divide your dog’s weight in pounds by 2.2 to get kilograms. For example: 30 lbs ÷ 2.2 = 13.6 kg; 50 lbs ÷ 2.2 = 22.7 kg; 75 lbs ÷ 2.2 = 34.1 kg. Then multiply the kilogram weight by the recommended mg/kg dose for your dog’s condition.
Twice daily, approximately 12 hours apart, with meals. This matches the protocols used in all three CSU clinical trials. CBD is metabolized by dogs in roughly 8–12 hours, so twice-daily dosing maintains more consistent blood levels. For acute situational use (e.g., a single stressful event like fireworks), a one-time dose 30–60 minutes beforehand is also appropriate.
For small dogs under 25 lbs, the 300 mg bottle (10 mg/mL) provides the most precise measurement. For medium dogs 25–50 lbs, the 600 mg bottle (20 mg/mL) balances precision and value. For large dogs 50–100 lbs, the 1200 mg bottle (40 mg/mL) keeps volumes manageable. For extra-large dogs over 100 lbs or multi-pet households, the 2400 mg bottle (80 mg/mL) offers the lowest cost per milligram.
When given as an oil tincture, initial effects typically begin within 30–60 minutes, with peak blood levels at 1.5–2 hours after oral administration. However, for chronic conditions like arthritis, the full therapeutic benefit often develops over 2–4 weeks of consistent twice-daily dosing. Do not judge effectiveness based on the first dose alone.
Yes, ABSC Organics CBD oil is safe for both species. However, cats require significantly lower doses and the 300 mg bottle (10 mg/mL) is the only concentration recommended for cats due to their small size and increased sensitivity. See the cat dosing section above for specific feline guidelines.
With food, preferably food containing some fat. Research shows that CBD absorption increases significantly when co-administered with a meal. The CSU clinical trials administered all doses with food. Giving CBD with your dog’s regular meals also helps maintain a consistent dosing schedule and reduces the chance of mild stomach upset.
Product Recommendations
All ABSC Organics CBD oils are USDA Organic, vet-formulated, third-party lab tested, and manufactured in alignment with the protocols used in three Colorado State University clinical trials. Choose your product based on your dog’s size and the dosing requirements for their condition.
| Product | Concentration | Best For | Price | With Subscription |
|---|---|---|---|---|
| ABSC 300 mg CBD Oil | 10 mg/mL | Small dogs under 25 lbs, all cats, low-dose wellness protocols | $49.99 | $42.49 |
| ABSC 600 mg CBD Oil | 20 mg/mL | Medium dogs 25–50 lbs, moderate-dose anxiety & wellness protocols | $59.99 | $50.99 |
| ABSC 1200 mg CBD Oil | 40 mg/mL | Large dogs 50–100 lbs, therapeutic-dose pain & arthritis protocols | $119.99 | $101.99 |
| ABSC 2400 mg CBD Oil | 80 mg/mL | XL dogs 100+ lbs, high-dose seizure protocols, multi-pet households | $199.99 | $169.99 |
Find the Right CBD Dose for Your Dog
USDA Organic. Vet-formulated. Backed by 3 CSU clinical trials. Save 15% with Subscribe & Save.
Why ABSC Organics
- 3 Colorado State University clinical trials—more peer-reviewed university research than any other pet CBD brand
- USDA Organic certified—no pesticides, no heavy metals, no solvents
- Veterinarian-formulated—designed specifically for dogs and cats, not repurposed human products
- Transparent testing—every batch has a publicly available Certificate of Analysis
- Concentration options for every size—from 10 mg/mL for toy breeds and cats to 80 mg/mL for giant breeds
Questions about dosing? Visit our FAQ page or contact our team. We are happy to help you calculate the right dose and choose the right product for your pet.
Disclaimer: This information is for educational purposes and is not intended to replace professional veterinary advice. Always consult your veterinarian before starting any new supplement, especially if your pet is on medication or has a pre-existing health condition. CBD products are not intended to diagnose, treat, cure, or prevent any disease.