To draw 250 mcg: draw 0.125 mL (12.5 units on a 100-unit insulin syringe)
While T4 is 300 percent less biologically active than T3, it is critical to our bodys ability to produce adequate and healthy levels of the needed T3

Description Dark spot care in one go without dermatological procedures, big-sized whitening patch for dark spot Ingredients Water, Glycerin, Niacinamide, Potassium Chloride, Butylene Glycol, 1,2-Hexanediol, Glucomannan, Chondrus Crispus Powder, Pentylene Glycol, Ceratonia Siliqua (Carob) Gum, Xanthan Gum, PEG-60 Hydrogenated Castor Oil, Glyceryl Caprylate, Allantoin, Calcium Titanium Borosilicate, Panthenol, Ethylhexylglycerin, Adenosine, Dextrin, Disodium EDTA, Hydroxyethylcellulose, Titanium Dioxide (CI 77891), Dipropylene Glycol, Fragrance, Magnesium Ascorbyl Phosphate, Citrus Junos Fruit Extract, Ferulic Acid, Tin Oxide, Retinyl Palmitate, Citrus Unshiu Peel Extract, Citrus Limon (Lemon) Fruit Extract, Rosa Canina Leaf Extract, Hydrolyzed Collagen, Arachis Hypogaea (Peanut) Oil, Glutathione (1 ppm), Diamond Powder, Sodium Hyaluronate, Tocopherol, Acetyl Hexapeptide-8 Usage After toning your skin with a facial toner, place the enclosed spatula on the eye patch and apply it to the desired area

2011 Oct;17(4):421-2
IV delivery bypasses this entirely, providing up to 90% bioavailability compared to 10-20% from pills