Argyle Micro Dose Softgel capsules by Tweed. Argyle Softgels are made with indica-dominant cannabis extract and boast a balanced THC-to-CBD ratio. 2.5 mg THC, 3 mg CBD. The effects of this product can be felt within 30 minutes – 2 hours, and they may last for up to 12 hours or more. Some effects could last as long as 24 hours.