According to Wikipedia, caffeine, theophylline, and luteolin are examples of over-the-counter supplements that act as PDE4 inhibitors.
There are also multiple prescription drugs that do the same.
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2 posted on
03/29/2023 10:42:23 PM PDT by
ConservativeMind
(Trump: Befuddling Democrats, Republicans, and the Media for the benefit of the US and all mankind.)
To: ConservativeMind
Is there any ingredient in Focus Factor with any merit?
3 posted on
03/29/2023 11:38:52 PM PDT by
jonrick46
(Leftniks chase illusions of motherships at the end of the pier.)
To: ConservativeMind
Author is illiterate concerning molecular biology.
4 posted on
03/30/2023 1:09:42 AM PDT by
ifinnegan
(Democrats kill babies and harvest their organs to sell)
To: ConservativeMind
5 posted on
03/30/2023 5:26:26 AM PDT by
Nifster
( I see puppy dogs in the clouds )
To: ConservativeMind
8 posted on
03/30/2023 11:16:33 AM PDT by
daniel1212
(Turn to the Lord Jesus as a damned+destitute sinner, trust Him who saves, be baptized + follow Him!)
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