I've found them to be Very complimentary!
IP6 has a different mechanism of action (steals iron from cancer cells).
Use iHerb instead of Amazon for the reasons she mentions,
WHICH BRANDS ARE BEST?
@NaturallyFTW says Host Defense brand is good.
Anything from Host Defense brand is good. FYI you can also open the capsules & mix with food, juice, smoothie etc.
Okay, for cancer, Mesima, which contains mycelium, is better than Lion's Mane. @NaturallyFTW explains,
By looking at over a hundred studies. 
There are compounds in the mycelium that aren’t in the fruiting body, & more potent. In Asia where they use mushrooms for cancer care, they use mycelium. If you look closely you’ll see that the people telling you to get the fruiting body are only talking about the beta glucan content & not anything else.
@NaturallyFTW explains that,
The mushroom is known by many names: Mesima, Black Hoof mushroom, or Phellinus Linteus.
P. Linteus has been shown to powerfully enhance Natural Killer cell activity (they seek out & kill cancer).
It works for Cancer likely via by boosting the immune system, so that the body can "take care of" the cancer on its own.
• CASE REPORT 1: a 79-year-old man had advanced LIVER CANCER with multiple Lung Tumors that "spontaneously regressed" after taking Phellinus Linteus (Mesima) mushroom. He was on NO other treatment. After 6 months, the "tumors appeared to be in complete regression" & remained in regression.
Advanced Liver Cancer is "incurable." 
• CASE REPORT 2: A 68-yr-old man w/aggressive PROSTATE CANCER & multiple tumors in his bone & bladder began taking Phellinus Linteus mushroom (Mesima) after his doctors had exhausted all other options. "Suddenly" he experienced "DRAMATIC REMISSION" of his cancer. Afterward he remained healthy, w/normal PSA readings.
Advanced Prostate Cancer is "incurable." 
• CASE REPORT 3: A 65-yr-old man, who had drank at least 7 drinks of alcohol per day alcohol for 30 years, had tumors on his liver & a Huge BRAIN TUMOR. The man "refused all recommended treatment & was discharged." He wasn't expected to survive. He began taking Phellinus Linteus mushroom (Mesima). After 10 months he felt very well & a scan revealed ALL of his tumors had shrunk Dramatically.
Without treatment, his type of cancer is usually "fatal within a few months." 
Some sources report that about 35 years ago, Phellinus Linteus mushroom was studied in Japan & it was reported that "it had the HIGHEST ANTI-TUMOR EFFECT AMONG ALL MUSHROOMS."
The mushroom has also Dramatically reduced Many types of tumors in vivo in animal studies.
In vitro & animal studies have shown P. Linteus has strong activity against:
breast, colon, liver, lung, oral, prostate, & skin cancers. It's also been shown to help human pancreatic cancer patients.
Amazingly, Phellinus Linteus mushroom has additionally been shown to have POWERFUL antioxidant & anti-inflammatory benefits, with impressive effects on diseases such as:
• Diabetes
• Rheumatoid Arthritis
• Allergies
• Even H5N1 influenza virus!
Incredible Safety Profile: animal studies suggest the mushroom is likely to be extremely safe, even at massive doses. Human studies have also shown it to be very safe & usually without side effects.
In short, Mesima (Phellinus Linteus) has AMAZING potential for Cancer, & much more!
