Video Blog - Free State Nutrition, LLC

Tea Time: Vitamin D (and sunscreen!)

4/25/2019

Role in the body
- helps absorb calcium
- promote bone growth
- helps regulate the immune system and neuromuscular system
- plays a role in the life cycle of human cells
Signs/symptoms of deficiency
- Rickets
- Osteomalacia (misshapen bones)
- Associated with breast, colon, prostate cancer, heart disease, depression, weight gain
Vulnerable populations
- those living in northern lattitudes
  - only those south of LA and Columbia, SC can get vit D all year round from the sun
- those with dark skin
- those who wear sunscreen (or don't go outside)
- those who don't eat fatty fish
- those with absorption issues (IBD, liver disease, celiac, bariatric surgery patients)
- breastfed babies
- older adults
Lab values to measure deficiency
- 25(OH)D better measure than 1, 25(OH)2D
- Deficiency likely at <30nmol/L (12ng/mL)
- Some could be at risk at 30-50nmol/L (12-20ng/mL)
- Most will be sufficient at >50nmol/L (20ng/mL)
RDA
- infants - 400IU
- children and adults - 600IU
- >70yo - 800IU
Sources
- The sun (our bodies make vit D with sun exposure
  - lots of variables affect synthesis
  - it can be stored
- Food
  - Milk - 100IU/cup
  - Yogurt - 80IU/6oz
  - Salmon - 450IU/3oz
  - Tuna - 155IU/3oz
  - Sardines - 23IU/sardine
  - Egg - 40IU/egg
  - Cod Liver Oil - 1360IU/Tbsp
- Supplements
  - D2 or D3

Tea Time: Vitamin B12

4/16/2019

Role in body
- red blood cell formation
- cell metabolism
- nerve function
- production of DNA
Vulnerable populations
- Vegans
- Older adults
- Those with undiagnosed or poorly managed celiac
- Other conditions that affect absorption of nutrients
- Bariatric surgery
- Renal disease
- Those taking certain medications
  - metformin
  - PPIs
  - Colchicine for gout
  - aminosalicylic acid
RDA for adults: 2.4mcg (Excess is not absorbed)
Signs of deficiency
- weakness, tiredness, lightheadedness
- palpitations, shortness of breath
- pale skin
- constipation, diarrhea, loss of appetite
- numbness or tingling, muscle weakness
- vision loss
Sources
- Animal products
  - Meats (red meat, poultry, fish)
  - Eggs
  - Dairy
Vitamin C can interact

Tea Time: Iron Deficiency Anemia

4/9/2019

Symptoms
- Fatigue
- Shortness of breath
- Brittle nails
- Pale skin
- Swelling of the tongue
- Cold intolerance
- Trouble concentrating
- Dizziness
- Pica
Tests used to dx
- CBC
  - RBC, Hgb, Hct, MCV
- Iron (might not be low)
- Ferritin (stored iron)
- Reticulocyte count (very young RBCs)
Contributing factors
- GI bleeding
- Von Willebrand syndrome
- Hemophilia
- Frequent blood donation
- Inflammation
Vulnerable populations
- Infants age 7-12 months (stores from birth are depleted)
- Toddlers, especially if they drink a lot of milk
- Teens, who have increased needs
- Older adults, who have decreased intake
- Children with high lead levels
- Vegetarians/vegans
- Endurance athletes
- Women with heavy periods
- Pregnant/breastfeeding women
- Picky eaters
RDA
- 7-12 mo: 11mg
- 1-3yo: 7mg
- 4-8yo: 10mg
- 9-13yo: 8mg
- 14-18yo: 11mg (boys), 15mg (girls)
- 19-50yo: 8mg(men), 18mg (women)
- Pregnant: 27mg
- BF teen: 10mg, BF adult: 9mg
- 51+: 8mg
Types/sources of iron
- Heme iron
  - Meats (beef, chicken, turkey)
  - Salmon
  - Eggs
- Non-Heme Iron
  - Beans, peas, lentils (1.5-8.8mg per cup)
  - Dried fruit (1.5mg per 1/2c)
  - Dark leafy greens (3.2mg per 1/2c boiled)
  - Tofu (3.4mg per 1/2c)
  - Nuts
  - Blackstrap molasses (3.5mg per tbsp!
  - Fortified cereals and breads (1-18mg; 10mg per 1cup fortified oatmeal)
Supplements
- Only if diagnosed and recommended by MD
- May be necessary to replenish stores
- It can take 3-6 months to replenish
- Side effects
  - Metallic taste
  - Vomiting
  - Diarrhea
  - Constipation
  - Upset stomach
- Take with food
- Lower dose
- Time-release
- Take with vitamin C
- Avoid taking with calcium
- Avoid black tea

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Heather Fiore, Registered Dietitian Nutritionist

785-331-6435 - heatherfiorerd AT gmail DOT com - 2721 W. 6th St, Ste F, Lawrence, KS

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