Not only is beef liver in my list of top selenium foods, but it has been shown to boost selenium and gluthione production better than supplements. Studies have shown that because the nutrition has been concentrated in the liver, eating this organ from a local grass-fed, organic cow is a highly effective way to boost glutathione levels and that the levels of selenium in beef and in beef liver are far more bioavailable than supplements. I recommend only getting high-quality grass-fed beef liver either dried or raw and adding it to your diet to boost selenium and glutathione production. ( 25 )
When taking lion’s mane mushroom, or any other medicinal mushroom, always take it with at least a small dosage of vitamin C. This drastically enhances the absorption of mushrooms and most other supplements as well. Another option for increasing absorption would be consuming a proteolytic enzyme like bromelain. Consuming bromelain comes with its own dramatic healing and anti aging benefits. Increasing absorption is vital to get your dollars worth out of you supplements.
One more tip – for greatest benefit, take these and all supplements 3-5 times throughout the day. This insures that you always have the active compounds in your bloodstream. This is an especially important tip if you usually consume a handful of supplements once or twice a day. Spreading it out more evenly will increase absorption as well as time of exposure to the therapeutic compounds.