Open Future Health

Complementary Foods For Babies and Young Children

Complementary Foods add nourishment to the breast milk mother offers. Milk lacks iron, and the best source of iron is in meats, and offal foods. This points the way to better weaning practice.


Weaning Human Babies and Feeding Young Children

In the modern world it's become accepted that human babies should be weaned into soft foods puréed from the foods we ourselves like to eat. To encourage baby to eat off the spoon, we make complementary foods sweet, and soft. This practice usually takes the baby out of ketosis and limits the ideal growth of the brain and bone structure.

Human babies should be fat at 6 months, but we've got fat three year old's, because of our faulty dietary ideas.

From the 2016 Professional Conduct Trial of Prof. Timothy Noakes.
This link is to a 6 min background YouTube video. (Sorry for the Advertising)

Edited video of Dr. Noakes' Testimony is available from the Noakes Foundation.

The following is my commentary, a reconstruction, written from my own notes, and may not be entirely as accurate as I (or Dr Noakes) would like.

Our Fat Human Babies Must be Fed a Quality Diet

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The science is very clear - to build a strong nation we have to feed our children well. The South African Dietary Guidelines for Weaning are a fabulous resource, but they admit that many families cannot afford the best diet, so the guidelines cannot be followed. The solution is to for government to make better quality food available to families with young children. We shouldn't accept poor diet as normal in our society.

The South African Dietary Guidelines for Weaning recommend that children are fed chicken, fish, meat, dairy foods and eggs every day, so children will grow taller. They will also develop larger brains. Unfortunately, chicken, fish, meat, dairy foods and eggs are expensive. In South Africa their daily inclusion in the diet of infants is a challenge.

Lessons from Modern Hunter Gatherers

From Video 36 (Near end)

A paper from 1962, about the Hadza Tribe for Northern Tanzania is interesting. They wean their children onto Zebra fat and bone marrow, both raw and cooked. Breast feeding is prolonged. As children develop teeth, mothers pre-chew meat for the children to gnaw on.

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Weaning in Mammals

From Video 28

Carnivores have the advantage in terms of reproductive capacity to wean earlier, and to have shorter inter-birth periods. That's possible because carnivores eat a better quality diet. Suckling can stop when the brain is fully developed.

In humans, the rapid growth of the brain continues for a long time, so while it's possible to wean children at six months or younger that's not advisable. In fact continuing to breast feed until the child is 24 months of older is to be encouraged.

Study Quote
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Before 1853 children were weaned onto whatever food was available. Since food supply for adults was uncertain, the ability of the mother to supply some milk was important. In 1862 the first commercial baby foods were marketed. After that the manufacturers of those foods encouraged their use at younger and younger ages. In industrial towns this had numerous advantages for women, but severe disadvantages for the children.

Mild Ketosis in the Fetus and Young Children

From Video 37

Both glucose and ketones from the mother can cross the placenta, but insulin form the mother cannot. If the mother is producing excess glucose, (mother may be diabetic) the baby has to protect itself by producing it's own insulin.

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At the beginning of this video the study under discussion was looking for cancer forming (teratogenesis) problems in exposing rat fetus's different concentrations of glucose or ketones. The study shows that both excessive glucose and excessive ketones can produce teratogenesis, but only in extreme cases. Normally the fetus is very well protected, the availability of nutriment is controlled, and there is no possibility of the mild ketosis, that is normal for a fetus, would cause any problem. In this case ketones are likely to be 0.5mmol/l to 1mmol/l. Something extraordinary might produce 2mmol/l. In this study damage began to occur at 8mmol/l.

With Glucose, a normal level is 1.2 mg/ml, with a diabetic mother this might be a little higher, but damage begins at 9 mg/ml, which is far out of range.

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Exclusively breast fed babies will be in mild ketosis. Ketones will be 0.5mmol/l to 1mmol/l. This is ideal for the best rate of brain growth. Feeding infant formula is likely to stop ketosis, and is not recommended. In the same way feeding the weaning child carbohydrates, or adding sugar to the diet. will kill ketosis. The later this happens the better.

When we look at blood profiles for people using their glucose metabolism, glucose is normal at 5mg/ml, and ketones hardly exist at levels like 0.2 mmol/l. Babies have much higher ketone production, usually between 0.5mmol/l and 2mmol/l, occasionally a little higher. They are in mild ketosis, but this is entirely under control. Breast fed babies have slightly higher ketone levels.

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This chart shows the level of both glucose and ketones in the blood during the first week after birth. In the first few hours things are a little unstable. Then glucose levels quickly settle at a level just below 5mg/ml. That means there is no demand for extra insulin, so insulin levels are low. That enables fat burning, the fat from mothers milk being the fuel. Hence the fat is used to produce ketones, at good levels above 0.5mmol/l up to about 2mmol/l, these ketones doing two important tasks, giving the brain energy and providing building blocks for making cholesterol, and building the physical brain.

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This graph shows ketones on the vertical axis and glucose on the horizontal axis. Note that the breast fed babies have slightly higher ketone levels and slightly lower glucose levels. Since this "natural environment" in mild ketosis is desirable for the best development of the child's brain, we should think carefully about what foods we give the child if breast feeding is reduced or stopped. We need to keep the child in ketosis for as long as possible. Feeding the child carbohydrates, or worse sugar, of excess fruit is likely to switch the child's metabolism from lipid burning to glucose burning. That's not ideal.

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