0:1 RSO Indica 0.5 g Syringe (Big Dog OG)

Made with an indica strain, Texas Original's RSO Oral Syringe offers a whole plant option for symptom relief. This product is not recommended for patients who are new to medical cannabis. Sales are restricted to patients ages 18 and older, unless the product is specifically recommended by the prescribing physician.

399 mg THC per Syringe

8 mg THC per 0.01 mL

0.5 g Syringe

$50.00
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Ingredients 

  • Full Spectrum Cannabis Extract

High-Quality Relief

  • Made with Only One Ingredient
  • Vegan
  • Gluten-Free
  • Sugar-Free
  • No Added Dyes
  • No Added Flavors

Texas Original's RSO Oral Syringe may help relieve common symptoms such as:

  • Pain
  • Insomnia
  • Anxiety
  • Nausea
  • Appetite Loss
  • Muscle Spasms

Administration

  • Oral, Sublingual

Strain

  • Big Dog OG

Flavor 

  • Unflavored: RSO has a strong, bitter herbal taste with resinous and slightly peppery undertones.

Typical Onset Time

  • Sublingual: 15-60 minutes
  • Oral: 30-90 minutes

Typical Duration

  • 4-8 hours

What to Know About RSO Syringes

How do I administer the medicine?

Review the dosing on your RSO Syringe and the dosing guidelines provided by your physician. Consult your physician if you have any questions about your dose or treatment plan.

RSO is a concentrated cannabis oil, so patients should start at the smallest dose as directed by their physician. 

  1. Warm the Oil​: With the cap of the syringe intact, gently rub the syringe between your hands for 30 seconds to one minute to warm the oil. Alternatively, you can hold the syringe in your hands for one minute or submerge the capped syringe into a cup of warm (not hot) water for 20-30 seconds. Dry before uncapping. ​
  2. Measure Your Dose​: Unscrew the cap from the applicator tip. Gently push the syringe down one graduation to dispense the oil. Each line on the syringe is one graduation, or 0.01 mL.​The amount dispensed should be about the size of half a grain of dry rice.
  3. Take Your Prescribed Dose​: The oil may be added to a food, such as a cracker or cookie. This may be a preferred option if you do not like the flavor of the oil. The oil may also be taken sublingually by placing the oil under the tongue and holding for 30-90 seconds before swallowing. ​

What is RSO?

RSO is short for Rick Simpson Oil. Rick Simpson is a Canadian engineer and cannabis advocate who created a full-spectrum (also known as a whole-plant extract) cannabis oil after a work accident caused a variety of health issues. RSO retains the cannabinoids, flavonoids, proteins and other compounds of the plant.

What strain is the RSO?

The RSO is extracted from Big Dog OG, grown locally at our state-leading facility. Big Dog OG is a THC-dominant indica strain. 

What's the difference between distillate and RSO/full spectrum extract? 

Distillate is a refined and purified extract containing only the intended cannabinoids, such as THC or CBD. RSO is a full-spectrum oil containing many of the compounds of the cannabis plant including cannabinoids, flavonoids and other potentially beneficial compounds.

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Texas Original™ is committed to transparency in how we operate our business and manufacture our medicine. That's why we publicly share a Certificate of Analysis with lab test results for every production batch of our medical cannabis.
BATCH NUMBER TESTING DATE FULL REPORT
11002104260196 2026-04-23 DOWNLOAD FULL REPORT