Why not try some supplements which help neurodenerative diseases in general,
including Parkinson's and Alzheimer's, such as :

Acetyl l-carnitine
Phosphatidylserine
Benfotiamine
Methylcobalamin
Astaxanthin
Octacosanol



You can read Annetta Freeman's protocol for Parkinson's here.

http://ceri.com/annett4.htm



Protective effects of octacosanol on 6-hydroxydopamine-induced
Parkinsonism in rats via regulation of ProNGF and NGF signaling.

http://www.nature.com/aps/journal/v3...ps201069a.html




Even sea cucumbers may be of benefit.


A double blind study on the Reinhardt and sea cucumber
capsule in treating dementia of the aged.

http://en.cnki.com.cn/Article_en/CJF...J200001004.htm



Clinical study of Reinhartdt and sea cucumber capsule combined
with donepezil in treating Alzheimer's disease.

http://www.ncbi.nlm.nih.gov/m/pubmed/17342994/



Cucumaria frondosa is the species found in your oceans, off New England.


The protective effect of eicosapentaenoic acid-enriched phospholipids from sea
cucumber Cucumaria frondosa on oxidative stress in PC12 cells and SAMP8 mice.

http://www.ncbi.nlm.nih.gov/m/pubmed/24231470/



The SAMP8 mouse: a model of Alzheimer disease ?

http://www.ncbi.nlm.nih.gov/pubmed/12014843




Regeneration of the radial nerve cord in the sea cucumber Holothuria glaberrima.

http://link.springer.com/article/10....F1471-213X-9-3



Regeneration of the enteric nervous system in the
sea cucumber Holothuria glaberrima.

http://www.ncbi.nlm.nih.gov/pubmed/10205023



'' Sea Cucumbers Fast Track Organ Regrowth By Healing Their Wounds. ''

http://www.sciencedaily.com/releases...1017194617.htm