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Question
Posted by: Stef | 2010-02-14

Doc need your professional opinion!

Hi Doc,

someone presented me with a meal shake/meal replacement thats loaded with vitamins and minerals. The shake contain the following (content per 100g):

Energy: 1780kj
Protein: 26.3g
Total Carbohydrates: 55g
Total fat: 11g
Saturated fat: 2.6g
Unsaturarted fat: 8.2g
C18:2 (omega 6): 3.9g
C18:3 (omega 3): 0.5g
Cholesterol: 0g
Total Dietary fibre: 6g

Vitamins:
Vit A 3300i.u
Thiamin-B1: 1.4mg
Riboflavin-B2: 1.6mg
Niacin-B3: 18mg
Pantothenic-Acid-B5: 6mg
Vit B6: 2mg
Vit B12: 1mg
Vit C: 60mg
Vit D: 5mg
Vit E-Alpha Eqiuv: 10mg
Biotin-Vitamin H: 0.1mg
Folate-Vitamin M: 0.2g
Beta Carotene: 6mg
Lipoic Acid: 20mg

Minerals:
Calcium: 600mg
Copper: 2.5mg
Chromium: 0.2mg
Iodine: 0.15mg
Iron: 14mg
Magnesium: 300mg
Manganese: 3mg
Molybdenum: 0.3mg
Phosphorus: 700mg
Potassium: 300mg
Selenium: 0.2mg
Sodium: 230mg
Zinc: 15mg

In your proffesional opinion, would you say this is a good meal replacement? Is there any other product on the market that matches this product?

Your feedback on this will be greatly appreciated.

Kind regards

Stefan Minnaar

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Our expert says:
Expert ImageDietDoc

Dear Stef
You don't mention how one is supposed to take this shake and how often? I would presume that the instructions say that you use 30g (this is the usual amount) in a glass of water or milk 2x a day??? If so, the product has the following problems: The energy value is far too low. 30 g diluted in water would only provide you with 534 kJ which is not adequate for an adult man even if you are trying to lose weight. Even if you had the full 100g, the energy content of is much less than the 2800 kJ an adult man requires per meal. If you do ingest the full 100g once a day you will already have obtained nearly 100% or more of all the listed nutrients (see my calculations below), which may be excessive if you also eat other foods. There is also a problem with the units used in the list of ingredients for certain nutrients. For example, if the product really contains 1 milligram of Vit B12 per 100g, then this would mean that it provides 41667% of the RDA which is far, far too much! I trust that the values for all the nutrients marked with (?) are actually microgram (mcg) and NOT milligram! There are so many hundreds of meal replacement shakes on the market that it is difficult to judge if this one is any better or worse than the next one. I would rather recommend that you obtain your nutrients from normal foods and a balanced diet. Here are the calculations:
Shake per 100g
Energy: 1780kj Less than 2800 kJ required per meal by adult men on a diet
Protein: 26.3g RDA = 56 g, thus 47%
Total Carbohydrates: 55g
Total fat: 11g - quite high
Saturated fat: 2.6g
Unsaturated fat: 8.2g
C18:2 (omega 6): 3.9g
C18:3 (omega 3): 0.5g
Cholesterol: 0g
Total Dietary fibre: 6g Suggested Intake 20 g, thus 30%

Vitamins:
Vit A 3300i.u, RDA 3000 IU, thus 110%
Thiamin-B1: 1.4mg, RDA = 1,2 mg, thus 117%
Riboflavin-B2: 1.6mg, RDA = 1,3, thus 123%
Niacin-B3: 18mg, RDA = 16 mg, thus 113%
Pantothenic-Acid-B5: 6mg, RDA = 5, thus 120%
Vit B6: 2mg, RDA = 1,3 mg, thus 154%
Vit B12: 1mg (?) = 1000 microgram, RDA = 2,4 microgram, thus 41667% (*far too high)
Vit C: 60mg, RDA = 75 mg, thus 80%
Vit D: 5mg (?), RDA = 5 microgram, thus either 100% or 1000 times more??
Vit E-Alpha Eqiuv: 10mg, RDA = 15 mg TE, thus 66,7%
Biotin-Vitamin H: 0.1mg (?) 1000 microgram, RDA = 30 microgram, thus 3333%
Folate-Vitamin M: 0.2g (?) 2000 microgram, RDA = 400 microgram, thus 500%
Beta Carotene: 6mg
Lipoic Acid: 20mg

Minerals:
Calcium: 600mg, RDA = 1000 mg, thus 60%
Copper: 2.5mgm No RDA
Chromium: 0.2mg = 200 microgram (acceptable once a day, but NOT more - heavy metal, can be toxic)
Iodine: 0.15mg = 150 microgram , RDA = 150 mcg, thus 100%
Iron: 14mg, RDA = 18 mg, thus 77,8%
Magnesium: 300mg, RDA = 420 mg, thus 71,4%
Manganese: 3mg, No RDA
Molybdenum: 0.3mg, No RDA
Phosphorus: 700mg, RDA = 700 mg, thus 100%
Potassium: 300mg, No RDA
Selenium: 0.2mg = 200 microgram, RDA = 55 mcg, thus 364%
Sodium: 230mg No RDA
Zinc: 15mg, RDA = 11, thus 136%


Best regards
DietDoc

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1
Our users say:
Posted by: DietDoc | 2010-02-15

Dear Stef
You don't mention how one is supposed to take this shake and how often? I would presume that the instructions say that you use 30g (this is the usual amount) in a glass of water or milk 2x a day??? If so, the product has the following problems: The energy value is far too low. 30 g diluted in water would only provide you with 534 kJ which is not adequate for an adult man even if you are trying to lose weight. Even if you had the full 100g, the energy content of is much less than the 2800 kJ an adult man requires per meal. If you do ingest the full 100g once a day you will already have obtained nearly 100% or more of all the listed nutrients (see my calculations below), which may be excessive if you also eat other foods. There is also a problem with the units used in the list of ingredients for certain nutrients. For example, if the product really contains 1 milligram of Vit B12 per 100g, then this would mean that it provides 41667% of the RDA which is far, far too much! I trust that the values for all the nutrients marked with (?) are actually microgram (mcg) and NOT milligram! There are so many hundreds of meal replacement shakes on the market that it is difficult to judge if this one is any better or worse than the next one. I would rather recommend that you obtain your nutrients from normal foods and a balanced diet. Here are the calculations:
Shake per 100g
Energy: 1780kj Less than 2800 kJ required per meal by adult men on a diet
Protein: 26.3g RDA = 56 g, thus 47%
Total Carbohydrates: 55g
Total fat: 11g - quite high
Saturated fat: 2.6g
Unsaturated fat: 8.2g
C18:2 (omega 6): 3.9g
C18:3 (omega 3): 0.5g
Cholesterol: 0g
Total Dietary fibre: 6g Suggested Intake 20 g, thus 30%

Vitamins:
Vit A 3300i.u, RDA 3000 IU, thus 110%
Thiamin-B1: 1.4mg, RDA = 1,2 mg, thus 117%
Riboflavin-B2: 1.6mg, RDA = 1,3, thus 123%
Niacin-B3: 18mg, RDA = 16 mg, thus 113%
Pantothenic-Acid-B5: 6mg, RDA = 5, thus 120%
Vit B6: 2mg, RDA = 1,3 mg, thus 154%
Vit B12: 1mg (?) = 1000 microgram, RDA = 2,4 microgram, thus 41667% (*far too high)
Vit C: 60mg, RDA = 75 mg, thus 80%
Vit D: 5mg (?), RDA = 5 microgram, thus either 100% or 1000 times more??
Vit E-Alpha Eqiuv: 10mg, RDA = 15 mg TE, thus 66,7%
Biotin-Vitamin H: 0.1mg (?) 1000 microgram, RDA = 30 microgram, thus 3333%
Folate-Vitamin M: 0.2g (?) 2000 microgram, RDA = 400 microgram, thus 500%
Beta Carotene: 6mg
Lipoic Acid: 20mg

Minerals:
Calcium: 600mg, RDA = 1000 mg, thus 60%
Copper: 2.5mgm No RDA
Chromium: 0.2mg = 200 microgram (acceptable once a day, but NOT more - heavy metal, can be toxic)
Iodine: 0.15mg = 150 microgram , RDA = 150 mcg, thus 100%
Iron: 14mg, RDA = 18 mg, thus 77,8%
Magnesium: 300mg, RDA = 420 mg, thus 71,4%
Manganese: 3mg, No RDA
Molybdenum: 0.3mg, No RDA
Phosphorus: 700mg, RDA = 700 mg, thus 100%
Potassium: 300mg, No RDA
Selenium: 0.2mg = 200 microgram, RDA = 55 mcg, thus 364%
Sodium: 230mg No RDA
Zinc: 15mg, RDA = 11, thus 136%


Best regards
DietDoc

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