Type 1 diabetes is a particularly unpleasant condition. It occurs when the pancreas ceases to produce the insulin needed by the body to metabolize sugar and, until the invention of artificial insulin injections, it was as deadly as cancer. Type 2 is the less severe form of the disease, where the body produces insufficient insulin; it can often be managed through diet alone.

"Traditionally, we transplant islets in the liver of the animal and never do it under the skin, in large part because the skin doesn't have the blood flow that the liver has for transporting insulin released by islets. And there are a lot of immune cells in the skin, so chances of rejection are high," said Raghu Mirmira, professor of pediatrics and medicine and director of the Diabetes Research Center at the Indiana University School of Medicine.

The Food and Drug Administration (FDA) does not regulate herbs, minerals, animal products, and patent formulas that come into the United States from China. Herbal products are considered dietary supplements according to the Dietary Supplement and Health Education Act (DSHEA) of 1994; therefore, the manufacturers do not need FDA approval or evaluation for safety, purity, and efficacy before bringing their products to market. There have been reports of some formulas imported from China containing heavy metals such as lead and mercury and of others being deliberately adulterated with conventional Western pharmaceuticals, such as corticosteroids, anti-inflammatory agents, and benzodiazepines.16
One can't, in spite of the initial reported success of following a 600 kcal vegetarian diet for 8 weeks cured all 11 participants of their diabetes, resulting in an enormous very beneficial weight loss of 15 kg and reversal of pancreatic fat infiltration that many think is the underlying defect causing type 2 diabetes, see this 2011 paper Reversal of type 2 diabetes: normalisation of beta cell function in association with decreased pancreas and liver triacylglycerol only just 3 months afterwards diabetes had recurred in 5 out of the 11 see Diet reverses Type 2 Diabetes
The role of physical activity must be considered. Increased levels of daily activity bring about decreases in liver fat stores (43), and a single bout of exercise substantially decreases both de novo lipogenesis (39) and plasma VLDL (92). Several studies demonstrated that calorie control combined with exercise is much more successful than calorie restriction alone (93). However, exercise programs alone produce no weight loss for overweight middle-aged people (94). The necessary initial major loss of body weight demands a substantial reduction in energy intake. After weight loss, steady weight is most effectively achieved by a combination of dietary restriction and physical activity. Both aerobic and resistance exercise are effective (95). The critical factor is sustainability.
But solutions to diabetes exist right now. I've personally interviewed patients who were cured of type-2 diabetes in as little as four days at Dr Gabriel Cousens' Tree of Life Rejuvenation Center near Tucson, Arizona (www.TreeOfLife.nu). My own book entitled How to Halt Diabetes in 25 Days has helped thousands of people prevent and even reverse diabetes in under a month. (http://www.truthpublishing.com/haltdiabetes_...)
One of my patients, aged 58, had an initial hemoglobin A1c of 7.2%. She was taking oral hypoglycemic agents, statins, and proton pump inhibitors—the basic treatment for every diabetes diagnosis. The patient was 28 lbs overweight and worked long hours. She didn’t exercise, mostly ate a processed food diet, and was sleep deprived. The patient had a family history of diabetes, and ultimately her lifestyle expressed her genetic tendencies.

Khodneva, Y., Shalev, A., Frank, S. J., Carson, A. P., & Safford, M. M. (2016, May). Calcium channel blocker use is associated with lower fasting serum glucose among adults with diabetes from the REGARDS study. Diabetes Research and Clinical Practice, 115, 115-121. Retrieved from http://www.diabetesresearchclinicalpractice.com/article/S0168-8227(16)00070-X/abstract

In addition, as early as in 2008, the Swedish Board of Health and Welfare examined and approved advice on LCHF within the health care system. Advice on LCHF is, according to the Swedish Board of Health and Welfare’s review, in accordance with science and proven knowledge. In other words, certified healthcare professionals, who give such advice (for example myself) can feel completely confident.
The reason the body stops producing insulin is that it kills off the pancreas’ beta cells, which produce insulin. People with Type 1 diabetes must get their insulin from injections or ingestion, a cumbersome and often imprecise task. Too little insulin and blood sugar levels stay high for extended periods, potentially damaging the body; too much and blood sugar levels crash, possibly causing a person with diabetes to faint or experience an even worse problems, such as a stroke.
This seems hard to do, but really it’s not if you know one secret: Replace snacking with something far more satisfying — fat. That’s right, the government is wrong to recommend a low fat diet. Fat is what makes you feel full until your next meal. Take away the fat, take away the full. Don’t go to an extreme, but do lean strongly toward a high-fat low-carb diet.