The Following Table provides a comparison of various dietary supplement formulas which are advocated by various researchers and manufacturers for Down's syndrome. Compared to each other and to the RDA, the RNI, the average dietary intake of vitamins in the UK, and to the Harrel (Megavitamin) formula. 
Euro-TNS is the latest addition and is formulated in the UK in collaboration with the DSRF, we do not sell the product.

Disclaimer: Medical researchers should verify this data for before using it.
Parents should seek the support of their doctor if they intend to use any of these therapies.

Ingredients Version
Two
EURO-TNS
Adult 
dose
 		 MSB+
Version 6
Adult dose		 NutriVene D
Adult dose		 Warner House Hap-Caps
Amount
per 4 capsules

RDA
USA (UK)
Minimum
Daily intake
Very safe dose rate to prevent illness

 UK RNI's
Average Reference Nutrient Intake
for children 4 months to 4 years.		 UK
The average adult diet provides

Men (Women)

 Megavitamins
(Harrel)
Vit. A (from dry fish oils) 3000 iu 3000 iu 3000
iu		 0 3000 iu (2664iu) 1200 iu 6000 iu (5300) iu 15000
Vit. A (from Beta carotene)
Safe form of Vit A. is Beta carotene		 6000 iu 2000 iu 5000
iu		 8000
iu		 2000 iu      
Vit. B1 (Thiamin HCl) 45
mg		 45 mg 45
mg		 25
mg		 1.5 mg (1.4 mg) 0.3 mg 1.9 (1.56) mg 300 mg
Vit. B2 (Riboflavin) 45
mg		 45 mg 45
mg		 25
mg		 1.7 mg (1.6 mg) 0.5 mg 2.24 (1.89) mg 200 mg
Vit. B3 (Niacin 56mg …) 125 mg 125 mg 125
mg		 25
mg		 20 mg (18 mg) 5 mg 42 (31) mg 750 mg
Vit. B5 (Calcium Pantothenate) 150 mg 150 mg 45
mg		 100
mg		 10 mg (6 mg)   5.1 (5.1) mg 450 mg
Vit. B6 (Pyridoxine) 45
mg		 45 mg 35
mg		 25
mg		 2 mg (2 mg) 0.4 mg 2.6 (3.5) mg 350 mg
Vit. B12 (Cyanocobalamin) 100 mcg 100 mg 90
mg		 5
mg		 6 mcg (1 mcg) 0.4 mcg 7.7 (5.9) mcg  
Paba (Para -aminobenzoic acid) 0 75 mg 75
mg		 0 ***      
Biotin 200 mcg 200 mcg 200
mcg		 100
mg		 *** (150 mcg)      
Folic acid 600
mcg		 1
mg		 400
mcg		 200 mcg 400 mcg (200 mcg)   332 (224) mcg 400 mcg
Folinic acid 400
mcg		 0 400
mcg		 0        
Inosital  0 75 mg 75
mg		 20
mg		 ***      
Vit. C (mixed mineral….) 600 mg 600 mg 1000
mg		 400
mg		 *** (60 mg) 26 mg 77.9 (81.8) mg  
Bioflavinoids 180 mg 45
mg		 150
mg		 0 ***      
Vit. D3 (from dry fish oils) 60
iu		 120 iu 200
 iu		 132
 iu		 400 iu (200iu) 7.4 mcg   300 iu
Vit. E (d-alpha..)
Natural form		 600
iu		 200 iu 400
iu		 132
iu		 30 iu (15 iu) 3.75 iu 8.3(8.3) mg 600 iu
Zinc 25
mg		 15 mg 20
mg		 100 mcg 15 mg (15 mg) 4.8 mg 11.7 (8.7) mg 30 mg
Iron 0 2.7 mg 0 20
mg		 18 mg (14 mg) 6.7 mg 14.5 (12.9) mg 7.5 mg
Selenium 100 mcg 75 mcg 90
mcg		 30
mcg		 *** 12 mcg 25 to 130 mcg  
Chromium 100 mcg 100 mcg 75
mcg		 30
mcg		 ***      
Calcium 180 mg 180 mg 100
mg		          
Magnesium 180 mg 180 mg 150
mg		 100
mg		 400 mg (300 mg) 75 mg 336 (250) mg 300 mg
Manganese 1
mg		 2.7 mg 1.5
mg		 500 mcg ***   4.6 to 5.4 mg 3 mg
Molybdenum 80 mcg 75 mg 75
mcg		 300 mcg ***      
Iodine 9
mcg		 9 mcg 7
mcg		 0 150 mcg (150 mcg) 63 mcg 251 (184) mcg 144 mcg
Potassium 30
mg		 29.72 mg 15
mg		 20
mg		 *** 765 mcg 3.3 (2.6) mg  
Copper 0 0 0 160 mcg 2 mg 0.33 mg 1.82 (1.31) mg 1.75 mg
                 
 
Other 

Ingredients

 Version
Two
EURO-TNS
Adult 
dose
 		 MSB+
Version 6
Adult dose		 NutriVene D
Adult dose		 Warner House Hap-Caps
Amount
per 4 capsules

RDA
USA (UK)
Minimum
Daily intake
Very safe dose rate to prevent illness

 UK RNI's
Average Reference Nutrient Intake
for children 4 months to 4 years.		 UK
The average adult diet provides

Men (Women)

 Range 

seen

 in studies
L-Methionione 150 mg 150 mg 150
mg		 0 ***      
L-Cysteine 75
mg		 75 mg 0 0 ***      
L-Ornithine 75
mg		 75 mg 100
mg		 0 ***      
L-Taurine 0 200 mg 200
mg		 16
mg		 ***      
L-Proline 0 100 mg 100
mg		 0 ***      
L-Serine 200 mg 200 mg 150
mg		 0 ***      
LTyrosine 75
mg		 75 mg 100
mg		 440
mg		 ***      
L-Phenalynine 75 mg 75 mg 0 0 ***      
L-Histidine 0 0 25
mg		          
Lysine 0 75 mg 0 0 ***      
Alpha-ketoglutaric acid 300 mg 600 mg 500
mg		 0 ***      
Acetyl- l- carnitine 125 mg 50 mg 45
mg		 0 ***      
Alpha Lipoic acid 120 mg 30 mg 45
mg		 0 ***      
Coenzyme Q10 60 mg ?? mg 30
mg		 0 ***      
Glutamic acid HCL 0 0 0 0 ***      
L-Glutathion 75
mg		 35 mg 150
mg		 0 ***      
Glutermine 0 0 0 300
mg		        
DMAE (dimethyllaminoethanol) 20
mg		 95 mg 0 0 ***      
Trimethylaminoethanol 20
mg		 0 0 0        
Trimethylglycine (Betaine) 300 mg 0 500
mg		 0        
Grape seed
(Vitaflaven)		 40
mg		 0 0 0 ***      
Bilberry extract 40
mg		 0 0 0 ***
Vigor Flavor mix 0 62 mg 0 0  
Natural fruit flavouring QS 0 0 0  
Betain HCL 0 100 mg 60
mg		 7.2
mg		 ***
Inosital 0 75 mg 76
mg		 0  
Bromelain 0 4.5 mg 5
mg		 0 ***
Papain 0 4.5 mg 5
mg		 7.2
mg		 ***
L-Citrolin 0 0 70
mg		 0 ***
Choline Dihydrogenate Citrate 500 mg 0 0 0 ***
Choline Bitartrate 0 0 800
mg		    
Choline Dihydrogen 0 165 mg 0 0  
Citrate 0 100 mg 0 0  
L-Histidine 0 0 25
mg		 0 ***
L-Tryptophan 0 0 50
mg		 0 ***
Pancreatic Enzymes 0 30 mg 50
mg		 0 ***
Pancreatin 0 0 0 11.2
mg		 ***
Ox bile 0 0 0 15
mg		 ***
Quertin Bioflavinoid 0 0 0 24
mg		 ***
 
Night Time Supplement Taken before bedtime without food
L-Serine 0 0 0 0 ***
L-Ornithine 0 0 150
mg		 0 ***
L-Tryptophan 0 0 125
mg		 0 ***
Vit. B6 0 0 2.5
mg		 0 ***

RDA = Recommended Daily Allowance USA (UK)
*** = No Established RDA