There has been a series of webinars on the topic of ascorbic acid, citrates, zinc supplements, and multivitamins. This may be of value to help your understanding too.

See ‘Focus on Stops” drugstore multivitamins & synthetics’ April 2020

 and ‘RCP Stops: Calcium, zinc and molybdenum’ February 2020 or more information on the topic.

Ascorbic acid, citrates, zinc and multivitamins all have an impact on functional copper and electrolytes has an impact on every system in our body.

Food based sources do not do this as they have natural co-factors present in the food whereas synthetics are not the same as biological versions.

Ascorbic acid

When you take ascorbic acid, it is not vitamin C complex that has tyrosinase enzyme at the core and 4 copper atoms inside that. We need the copper and bioflavonoids, which are with whole food C for core functions in our metabolic processes.  We do not need the huge volumes that many teach we need of ascorbic acid, in fact it’s detrimental as consumption of isolated ascorbic acid results in the copper from other areas of the body being diverted to the AA and meaning other areas may be missing out.  Stealing from Peter to pay Paul so to speak. 

Low bioavailable copper then stops you being able to make energy, to move iron around the body, to carry out literally dozens of functions in your body… the impacts get worse, the longer (& more) you take it, the more than impact will increase in severity.

When you take synthetic ascorbic acid, it also affects functional copper – different pathways, but same outcome.


You can find out more here in this articles:


Harris, E, D & Percival, S.S (1992). “A role for ascorbic acid in copper transport”


Here’s a video with Morley and Kristan discussing the problem with ascorbic acid consumption. 


Sources of whole food vitamin C are approved sources of whole food C supplements, organic sauerkraut, red bell peppers etc., and you can find more in the manual 


Sign up for a related free webinar replay here

There is also more information in the RCP Premium Community forum under Q and A.

Ascorbates and
Liposomal Vitamin C

These popular sources of vitamin C are not suitable as they do not contain the tyrosinase enzyme that is needed to help with the processes in the body that we rely on for creating more ceruloplasmin.


See FAQ on citrates here.

Sign up for a related free webinar replay here.


When you take zinc, it binds all forms of copper up (“bound” and “unbound” are terms something’s thrown around), ultimately leaving you with less bioavailable copper. It’s often suggested for those who are “copper toxic”, when the reality is, they have low functional copper which needs activation through retinol and the steps of the RCP, not to be bound up and excreted out .


Morley has learnt that supplemental zinc has an impact on how metallothionein which gets activated to bind up copper 1,000x stronger than zinc.  This is not good since it inhibits the production of ceruloplasmin (ferroxidase) in the liver.


Zinc depletes both copper and ceruloplasmin. 

  •         Copper and ceruloplasmin are required to make heme and also required to load heme onto hemoglobin so that the hemoglobin can function properly.
  •         Copper and ceruloplasmin are also required for copper dependent enzymes such as SOD, which are powerful antioxidants, which help to reduce oxidative stress.
  •         Both copper and ceruloplasmin are required for the immune system function.
  •         Both copper and ceruloplasmin are required to regulate iron and prevent iron oxidation/oxidative stress.
  •         Zinc also activates lipoxygenase enzymes that break down the cell membrane. Lipoxygenase impacts other oxidase enzyme activity in the body – eg lysyl oxidase is critical for connective tissue (including blood!) to be functionally optimally.
  •         “Pyroluria” is actually caused by oxidative stress, which can be caused by stress, accidents, injury, iron and copper dysregulation, etc.. Magnesium is also required.
  •         Pyrroles are made when hemoglobin can’t be properly made, that entire process is driven by bioavailable copper especially the last and rate-limiting step where ferrochelatase enzyme inserts an iron atom into the center of the protoporphyrin ring.
  •         Giving zinc is only treating a symptom of “pyroluria” while in fact, making the underlying oxidative stress much worse.
  •         Zinc may make the person feel better temporarily, however, it will not solve the underlying issues.

FACT: ALL Facets of Iron metabolism requires bioavailable Copper…

FACT: Efficient production of RBCs requires bioavailable Copper…

FACT: Inefficient RBC production creates kryptopyrroles that affect Zn and B6 status…

FACT: Zn supplements BLOCK Copper absorption…

And now we find many are being told to take Zinc and B6 to address their symptoms, but nowhere is there any mention of Copper to solve the problem.

Webinar – ‘RCP Stops: Calcium, Zinc and Molybdenum’ February 2020

Podcast on Morley Robbins and Anna from 4Health by Anna Sparre (#221b – Zinc, Copper, Selenium, the Thyroid and Stress)


RCP Premium Community Q and A 13-14th May 2019 (you will need to be logged in to see)

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