NatruCal Overview | Be Whole

NatruCal – Avoid the “Calcium Bomb”

Dr. Rudi explains the importance of modulated estrogen levels concerning calcium absorption for women.

Learn why many women often mistakenly consume ineffective “calcium bombs” that are not adequately absorbed and put to use in women’s bodies. Dr. Rudi details how the NatruCal formulation combines phytoestrogens, essential vitamins, and a unique source of calcium to ensure women achieve maximum bone density.

A Full Spectrum Bone Health Supplement for Women

A Highly Bioavailable Source of Calcium

NatruCal is formulated leveraging eggshell calcium, which is among the most highly bioavailable source of calcium easily assimilated into the body.  Eggshell calcium contains transporter proteins (bound to the shell) and trace minerals such as strontium, magnesium, zinc, boron, and phosphorus—all easily absorbed by the body.

Essential Co-Factors for Improved Bone Health

NatruCal is formulated with bone-healthy vitamins D3 and K2.  Vitamin D3 aids in the absorption of the calcium while K2 moves the calcium throughout the body, effectively reaching the bones.

Estrogen Regulation for Improved Bone Health

NatruCal contains plant-based phytoestrogens HMRLignans, which have been clinically shown to regulate and stabilize estrogen levels in women.  The regulation of estrogen has been independently shown to increase calcium absorption and improve bone mineral density dramatically.  Even if a woman is consuming adequate amounts of calcium and calcium co-factors, she may still experience bone health issues if estrogen is imbalanced.

“Women and Bone Density”

Millions of women across the US face bone mineral density issues placing them at risk of debilitating fractures and breaks.  If proper measures aren’t taken early, the risk grows in severity and can dramatically affect a women’s quality of life in her later years.  Unfortunately, because of biology, women are more at risk than men for bone health issues later in life. Women start with less bone density and lose it faster with age than their male counterparts.

Below is a look at the facts about bone health:
  • 1 in 3 women over the age of 50 will experience osteoporotic fractures.
  • Osteoporosis and low bone mass are currently estimated to be a significant public health threat for almost 44 million men and women in the United States, ages 50 and older.
  • A 10% loss of bone mass in the vertebrae can double the risk of vertebral fractures, and similarly, a 10% loss of bone mass in the hip can result in 2.5 times greater risk of hip fracture.
  • 80%, 75%, 70% and 58% of forearm, humerus, hip and spine fractures, respectively, occur in women.

Source: International Osteoporosis Foundation

Estrogen Irregularities: The Unknown Culprit to Women’s Bone Issues

As women age, they continually face increasing risk of bone-mineral density issues and low calcium levels.  Fluctuations and irregularities in estrogen levels are in fact one of the major causes for this risk women face.  As estrogen plays a vital role in the assimilation, absorption, and utilization of calcium in the intestine, disharmony in levels decreases overall calcium and bone-mineral density in women.  Many women do not realize although they may be consuming adequate amounts of calcium, an imbalance in estrogen limits how much calcium is actually processed and put to good use.

Vitamin K2:  The Missing Co-Factor

To combat depleting levels of calcium and bone-mineral density, women often begin to supplement calcium into their diet when they get older.  While many women know that calcium should be consumed alongside vitamin D3 to aid in absorption, fewer know that a third and highly essential co-factor can aid in this process:  vitamin K2, or MK7.

Vitamin K2 plays an essential role in the vitamin D3 and calcium relationship.  Once ingested, the body naturally creates vitamin K2-dependent proteins which transport calcium to different areas of the body.  Until vitamin K2 is present, the proteins remain inactive and cannot distribute the needed calcium throughout the body.

NatruCal: A Full Spectrum Bone Health Supplement for Women

NatruCal is a full spectrum bone health supplement designed to improve overall bone health and density in women.  The formulation combines a highly bioavailable source of calcium delivered in ideal serving dosages along with the essential calcium and bone health co-factors, vitamin D3 and vitamin K2.  This combination ensures that calcium is fully-absorbed and delivered throughout the body.

The NatruCal formulation also supports healthy estrogen levels, which are known to promote bone health in women.  The phytoestrogens found in HMRLignans modulate fluctuating estrogen levels, providing balance and thus improving bone health and overall calcium absorption in the female body.

Ideal Serving of Calcium Without Risk of Health Complications

Too much of anything can be detrimental.  This is the case when it comes to calcium supplementation.  Additional health risks form when people consume large, once daily dosages of calcium without the proper co-factors.  High calcium intake can dramatically change pH level in the stomach, cause burp-back, create kidney stones, and lead to long-term health risks like heart disease and calcification of the arteries.

NatruCal provides the ideal twice-daily dose of calcium without the risk of overconsumption.  It also contains the necessary co-factors which absorb and distribute the calcium throughout the body.  Appropriate consumption of calcium will prevent unnecessary calcium build-up in the body.

Essential Co-Factors for Improved Bone Health

NatruCal is formulated with both vitamin D3 and K2 to improve bone health through proper absorption and utilization throughout the body.  Vitamin D3 aids in the absorption of the calcium and vitamin K2 transports the calcium to the bones.  The relationship between calcium, vitamin D3, and vitamin K2 is essential to bone health because they all work together synergistically.  When vitamin D3 is consumed, vitamin K2-dependent proteins are naturally created delivering the calcium to the body.  Without vitamin K2 consumption, however, they lay dormant and ineffective.

Vitamin D3 and the Protein Transporters: When vitamin D3 is processed by the body it creates a unique protein acting as a vehicle for delivering calcium throughout the body.
Protein Transporters Activated by Vitamin K2: The unique proteins created by vitamin D3 are inactive until K2 is present. Once joined, K2 collaborates with the proteins to begin transportation and delivery of calcium.
K2 Protein Transporter Picks Up Calcium Along the Way: The K2 protein transporter acts as a taxi cab once activated, picking-up calcium along its journey and redirecting it to the areas of the body that needs it.

Supports Estrogen Regulation & Tackles Bone Issues in Women at the Source

NatruCal contains plant-based phytoestrogens, HMRLignan which are clinically shown to regulate and stabilize estrogen levels in women.  The regulation of estrogen has been shown to increase calcium absorption and improve bone-mineral density dramatically.  Imbalanced estrogen can still impair bone health in women who are consuming adequate amounts of calcium.

HMRLignan is an ideal form of “healthy estrogen” because it does not actually add estrogen to the body.  HMRLignan is converted to versatile phytoestrogens, enterodiol and enterolactone when consumed.  Both phytoestrogens have anti-estrogenic, and estrogenic effects managed accordingly based on the needs of the body.

NatruCal Ingredients & Formulation

Eggshell Calcium

The source of calcium found in NatruCal is eggshell calcium derived from the United States. The eggshells are heat-sterilized to ensure safety.  Eggshell calcium is a highly bioavailable source of calcium due to its content of active transporter proteins and essential trace minerals like strontium, magnesium, zinc, boron, and phosphorus.  Unlike most other calcium sources, derived from rocks such as limestone, eggshell calcium is very low in dangerous heavy metals.

Vitamin K2 as MK7

MK7 is a highly bioactive form of vitamin K2 that is created using a natural fermentation process and is much different than its readily-abundant counterpart vitamin K1, found in many leafy and green vegetables.  Vitamin K2 plays a crucial role in bone health by activating the K2-dependent proteins that transport calcium throughout the body.

Vitamin D3

NatruCal is formulated with a balanced serving of vitamin D3, which is essential for the absorption and utilization of calcium in the body.  Without vitamin D3, the body cannot effectively absorb calcium.


HMRLignan is derived from Norwegian pine spruce and is 1000x more bioavailable than Lignans found in flax seeds.  Naturally-occurring flora in the gut easily converts HMRLignan to phytoestrogens, which work to regulate and balance estrogen.

Supplement Facts & Serving Instructions

Serving Instructions: Take 2 per day with food.

Other Ingredients: Hypromellose, Microcrystalline cellulose, Silica

Contains: Egg

Warning: Pregnant or nursing mothers should consult a physician before using this or any dietary supplement.

Allergen: Product contains eggshells. The product does not contain any other major food allergens listed under 2003/89/EC or 21 U.S.C. 321 (qq).

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