The nutritional deficiencies almost no one talks about
GLP-1 receptor agonists work, and that's not in question. What was left out was the nutritional support that any accelerated weight loss requires.
When food intake drops sharply, so do vitamins, minerals, and protein. And, unlike bariatric surgery, where nutritional follow-up has been a mandatory standard for decades, there is currently no equivalent protocol.
480,825
adults treated with GLP-1 receptor agonists, gathered in a review of six studies published in Clinical Obesity.
22%
with new diagnosis of nutritional deficiency at 12 months, against 12.7% at 6 months.
Disclaimer: informational content, not intended for diagnosis or treatment. No medication should be initiated, altered, or discontinued without medical advice.
Three things the article explains
01
Vitamin D is the most frequent deficiency
In a study with dietary records from 69 users, only 1.4% met the daily recommendation. Being fat-soluble, vitamin D is retained in adipose tissue — and rapid loss alters this dynamic.
02
Tiredness almost always has a name
Shortness of breath when climbing stairs, difficulty concentrating, hair loss. It's tempting to attribute everything to caloric deficit — often it's low ferritin or B12. Both correctable, both invisible without tests.
03
Losing weight is never just losing fat
A significant portion comes from lean mass. And if the weight is then regained as fat, the end point is worse than the starting point. Protecting muscle is not just an aesthetic detail.
1.2 – 2.0 g
per kg of weight · per day
This is the range indicated by review literature for the weight loss phase. A reference value, not a prescription — the specific target depends on weight, age, activity, and kidney function, and should be confirmed in consultation.
Includes the four parameters to discuss in consultation and what research has not yet demonstrated.
Smart supplementation
Most recommended
Nuzest
Clean Lean Protein · Chocolate 500 g
Proteins contribute to the increase and maintenance of muscle mass and the maintenance of normal bones. With reduced appetite, reaching the daily target with solid food alone is unrealistic for many people — a shake solves the volume problem.
How to use
One daily dose diluted in water or plant-based drink, distributed according to tolerance. The total amount of protein should be defined with a doctor or nutritionist.
Ecogenetics
Vitamin D3 4000 · 60 caps.
Vitamin D contributes to the normal functioning of muscles and the immune system. Take preferably with a meal containing fat.
HSN · Creapure®
Creatine Monohydrate 500 g
Creatine increases physical performance in successive series of short, intense exercise, with 3 g per day for those who train.
NOW Foods' Iron Complex contributes to the reduction of tiredness and fatigue, but should only be supplemented with known ferritin levels and professional guidance — never blindly.
Food supplements are not a substitute for a varied and balanced diet or a healthy lifestyle, and should not be used above the recommended daily dose. Pregnant women, breastfeeding mothers, people with kidney or liver disease, and people on chronic medication should consult a healthcare professional before starting any supplementation. Keep out of reach of children.
Viva Saudável · Maia, Portugal · Official distributor Thorne Research and Nutergia
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