Caffeine is classified by the Food and Drug Administration as "generally recognized as safe" (GRAS). Toxic doses, over 10 grams per day for an adult, are much higher than typical doses of under 500 milligrams per day. A cup of coffee contains 80–175 mg of caffeine, depending on what "bean" (seed) is used and how it is prepared (e.g. drip, percolation, or espresso). Thus it requires roughly 50–100 ordinary cups of coffee to reach a lethal dose. However pure powdered caffeine, which is available as a dietary supplement, can be lethal in tablespoon-sized amounts. You have been warned!
Caffeine T-Shirt
Caffeine T-Shirt
$17.59
Caffeine Performance Dry T-Shirt
Caffeine Performance Dry T-Shirt
$32.99
Caffeine T-Shirt
Caffeine T-Shirt
$17.59
Caffeine Baseball Jersey
Caffeine Baseball Jersey
$19.79
Caffeine T-Shirt
Caffeine T-Shirt
$19.79
Caffeine T-Shirt
Caffeine T-Shirt
$17.59
Caffeine T-Shirt
Caffeine T-Shirt
$17.59
Caffeine T-Shirt
Caffeine T-Shirt
$17.59
Caffeine Tank Top
Caffeine Tank Top
$18.69
Caffeine Performance Dry T-Shirt
Caffeine Performance Dry T-Shirt
$32.99
Caffeine T-Shirt
Caffeine T-Shirt
$26.99
Caffeine T-Shirt
Caffeine T-Shirt
$18.69
Caffeine Tank Top
Caffeine Tank Top
$19.79
Caffeine T-Shirt
Caffeine T-Shirt
$18.69
Caffeine T-Shirt
Caffeine T-Shirt
$20.89
Caffeine Tank Top
Caffeine Tank Top
$17.59
Caffeine T-Shirt
Caffeine T-Shirt
$18.69
Caffeine Long Sleeve T-Shirt
Caffeine Long Sleeve T-Shirt
$23.09
Caffeine T-Shirt
Caffeine T-Shirt
$17.59
Caffeine Plus Size T-Shirt
Caffeine Plus Size T-Shirt
$27.49
Caffeine Plus Size T-Shirt
Caffeine Plus Size T-Shirt
$27.49
Caffeine Maternity T-Shirt
Caffeine Maternity T-Shirt
$27.49
Caffeine Tank Top
Caffeine Tank Top
$28.59
Caffeine T-Shirt
Caffeine T-Shirt
$29.69
Caffeine T-Shirt
Caffeine T-Shirt
$32.99
Caffeine Sweatshirt
Caffeine Sweatshirt
$38.49
Caffeine Sweatshirt
Caffeine Sweatshirt
$38.49
Caffeine T-Shirt
Caffeine T-Shirt
$18.69
Caffeine T-Shirt
Caffeine T-Shirt
$18.69
Caffeine T-Shirt
Caffeine T-Shirt
$20.89
Caffeine T-Shirt
Caffeine T-Shirt
$16.49
Caffeine Sweatshirt
Caffeine Sweatshirt
$23.09
Caffeine Sweatshirt
Caffeine Sweatshirt
$18.69
Caffeine Baseball Jersey
Caffeine Baseball Jersey
$16.49
Caffeine Body Suit
Caffeine Body Suit
$16.49
Caffeine Long Sleeve T-Shirt
Caffeine Long Sleeve T-Shirt
$16.49
Caffeine T-Shirt
Caffeine T-Shirt
$14.29
Caffeine Baby Gown
Caffeine Baby Gown
$16.49
Caffeine Baby Gown
Caffeine Baby Gown
$16.49
Caffeine T-Shirt
Caffeine T-Shirt
$19.79
Caffeine T-Shirt
Caffeine T-Shirt
$10.99
Caffeine Body Suit
Caffeine Body Suit
$15.39
Caffeine Baby Bib
Caffeine Baby Bib
$12.09
Caffeine Pajamas
Caffeine Pajamas
$31.89
Caffeine Pajamas
Caffeine Pajamas
$31.89
Caffeine T-Shirt
Caffeine T-Shirt
$27.49
Caffeine Footed Pajamas
Caffeine Footed Pajamas
$54.99
Caffeine Boxer Shorts
Caffeine Boxer Shorts
$14.29
Caffeine Classic Thong
Caffeine Classic Thong
$9.89
Caffeine Mugs
Caffeine Mugs
$12.09
Caffeine Mugs
Caffeine Mugs
$13.19
Caffeine Stainless Steel Water Bottle
Caffeine Stainless Steel Water Bottle
$13.69
Caffeine Sports Water Bottle
Caffeine Sports Water Bottle
$16.49
Caffeine Drinking Glass
Caffeine Drinking Glass
$12.09
Caffeine Flask Necklace
Caffeine Flask Necklace
$16.49
Caffeine Stein
Caffeine Stein
$15.39
Caffeine Acrylic Double-wall Tumbler
Caffeine Acrylic Double-wall Tumbler
$15.39
Caffeine Pillow Case
Caffeine Pillow Case
$21.99
Caffeine Square Canvas Pillow
Caffeine Square Canvas Pillow
$21.99
Caffeine Rectangular Canvas Pillow
Caffeine Rectangular Canvas Pillow
$17.59
Caffeine Apron
Caffeine Apron
$18.69
Caffeine Everyday Pillow
Caffeine Everyday Pillow
$21.99
Caffeine T-Shirt
Caffeine T-Shirt
$24.99
Caffeine T-Shirt
Caffeine T-Shirt
$21.99
Caffeine Long Sleeve T-Shirt
Caffeine Long Sleeve T-Shirt
$25.99
Caffeine T-Shirt
Caffeine T-Shirt
$23.99
Caffeine Tank Top
Caffeine Tank Top
$22.05
Caffeine T-Shirt
Caffeine T-Shirt
$22.99
Caffeine Long Sleeve T-Shirt
Caffeine Long Sleeve T-Shirt
$25.99
Caffeine T-Shirt
Caffeine T-Shirt
$21.99
Caffeine Plus Size T-Shirt
Caffeine Plus Size T-Shirt
$25.99
Caffeine Plus Size T-Shirt
Caffeine Plus Size T-Shirt
$25.99
Caffeine Maternity T-Shirt
Caffeine Maternity T-Shirt
$25.99
Caffeine Tank Top
Caffeine Tank Top
$31.50
Caffeine T-Shirt
Caffeine T-Shirt
$34.20
Caffeine T-Shirt
Caffeine T-Shirt
$35.55
Caffeine Sweatshirt
Caffeine Sweatshirt
$36.99
Caffeine Sweatshirt
Caffeine Sweatshirt
$31.99
Caffeine Sweatshirt
Caffeine Sweatshirt
$40.05
Caffeine T-Shirt
Caffeine T-Shirt
$19.99
Caffeine Body Suit
Caffeine Body Suit
$21.60
Caffeine Pajamas
Caffeine Pajamas
$29.99
Caffeine Pajamas
Caffeine Pajamas
$29.99
Caffeine Apron (dark)
Caffeine Apron (dark)
$18.99


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